The archive contains four files:

1) Passaggio da CCN a BlockchainEdu.pdf
2) firme.pdf
3) Statuto.pdf
4) README_IT
5) README_EN

Founder members has digitally signed the hash of file (1) created using SHA256 algorithm (bcd94a14011662f5e0ad488d1deef306efe670b3d44dea194faef002f197e474).
File (2) contains the hash of the public keys (aka Bitcoin addresses) used by founder members to sign file (1) hash and the respective digital signatures.  
Signatures validity could be verified using a Bitcoin wallet that supports this capability.

Useful links:

* CCN statute: http://goo.gl/rE4j9o
* CCN statute proof of existence: https://blockchain.info/it/rawtx/f111a101aa5096a26f3fb04ee42734620ed1f4cd800c7f46bd72d54b37b87210

* Elections H1 2015: http://goo.gl/ojwpOi
* Elections H1 2015 proof of existence: https://blockchain.info/it/rawtx/ad3215cfd59886058366736b3649728d225be380f115f6b934b69a4e46971d3d

* Formalization of new voting members: http://goo.gl/XTWNCr
* Formalization of new voting members proof of existence: https://blockchain.info/it/rawtx/ea29b22062e8467dc12427e3acddab12ad01f072a0ffa02ee508b8911e520439

* Elections H2 2015: http://goo.gl/4oOSZq
* Elections H2 2015 proof of existence: https://blockchain.info/it/rawtx/df86c5c161b1bb19bf6265c555d085f80c498af4fb55d1697d17faf843fe3336

* Elections H1 2016: http://goo.gl/j7ZGZj
* Elections H1 2016 proof of existence: https://blockchain.info/it/rawtx/7f7aae71715be238841f31d2ce250789925f648c2dbb06158945e0d16fd308e8

* Elections H2 2016: http://goo.gl/4QeRlA
* Elections H2 2016 proof of existence: https://blockchain.info/it/rawtx/6a172baf04e221c470a6c8c3bfb1f95835b7cf199aaf34f2e610bf8e4e348386

* Address substitution and corrigenda elections H2 2016: https://goo.gl/ZIqsl9
* Address substitution and corrigenda elections H2 2016 proof of existence: https://blockchain.info/it/rawtx/678a7c3ca82c1591828a035bf7b7d0b0515344ed475efc02153a29638395ae9a