thumb|Villa in 2024 Malena Villa is an Argentine actress and singer-songwriter. Life and career She is the daughter of actor Néstor Villa. She made her feature film debut as an actress in Julián Gi
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7858ea4154a2bbae9f1d772cad35b4bb7828c07d57d7d6484607678b1a267989. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/74df5927-13e4-4d58-8bd2-877caf8b4c09.json and https://artists.proofprofile.net/proofs/artist/74df5927-13e4-4d58-8bd2-877caf8b4c09.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b590d440f3aa89924474a439c4a4c1356a5d2d73b97cdbe8452942fbdc5c440. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN1900011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7aa03db66229b031687e7f14f02338c7c7206ea0e682ca0f56e0e6259bcc749. Chain 2 (Bitcoin): anchored in block 957867 (2026-07-13T14:55:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2000001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x987cd376b7d1045a3a07bc1ba221b90df3e2bb57d692e093edd9f3ae360c7144. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T09:04:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2000005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x987cd376b7d1045a3a07bc1ba221b90df3e2bb57d692e093edd9f3ae360c7144. Chain 2 (Bitcoin): anchored in block 957866 (2026-07-13T14:54:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2000005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57573f9ca13312ab49e68a33c84b471384328136f94c03054b0095a7c163e884. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:22:31Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2000008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x746e194fcf25001f5226d0c88ee5ed8b1b3978c8659a7e8de534ef6453653087. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2000018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbb9db1614a6fc2dcc05673dd068f88780815e0595819fab7f4c43c33ff0d158. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2100007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64aa9548d90270f2c44462a89bf2a21a61985afd9409d1377da5eb21d4abde09. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2100008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf2918b7ac52c09e6e96d08f7f516af39784e1934982b23d0155c27078631d3d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2100009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2da8be26852b1fee22978d51c0a2181d66d7f4f3d37981bd62bd9a18a631ca7. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2100010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadd726ac3fcf1c85e6fa6066d075e6653b845c65db7d553ea388a930ae392233. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2100011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23bab3b57fccbcbd68272ff4d6fb067f5df6a8c55c964bbbd46e177c3de5821e. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2100021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf44576d7922a3c791173afa27b23f4d2bf4d7342ad2881406b9b015f059e6364. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:24:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2200026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf75c3740fb3668e465932ab3d5360b6352250e4c88004b3899a2519a50e0c186. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T18:37:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2300003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe66d4f4a68340469eeb0be7f89961d259f196f8aa6613916c1689297a0153d7f. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2300008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfab962eb5646c004b2ac10979091c31dd88d228a84262b6d257f9748cc07e3f2. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11819be78689de69371bed62942ddae43257e2e1ea81bbe0bd15a4f48538789a. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2300007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf75c3740fb3668e465932ab3d5360b6352250e4c88004b3899a2519a50e0c186. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2300003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x368d99a0d92a7d369a2a489c32828f62b0918a1627499eb54059eb5c91134d8c. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2300011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7af952195040b7744743e77ab1bb071ed442d1e240053e64be695dbd73ff8e3. Chain 2 (Bitcoin): anchored in block 958627 (2026-07-18T23:33:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2300013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4733e9522cf89ff2aea17ba645e710c007ee52ddbe898840b8be1d691a0eaf9b. Chain 2 (Bitcoin): anchored in block 958508 (2026-07-18T06:27:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2300014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1ba376d76b0329ac582cca35538f199bfe74de6138ef74e1f9ddbca62492a21. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN2100029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72025d93716a0aa9c29e7fd3e9c223dc4e4a74e7e516dd0b760627ed52821dbe. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARVIN1900003.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31356de96c81296aeca5dbd314945c992fceaac8e122849cf4f3b800994f8286. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARUM72500090.