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 0xb0a88cd89817ad77383b4ff50cd690f743078e9ba3e6e179c4bfda402428ba8d. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f76c3f5e-b9ce-4b0e-863d-a4f0bc713767.json and https://artists.proofprofile.net/proofs/artist/f76c3f5e-b9ce-4b0e-863d-a4f0bc713767.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 0x39914ec9da77c0c161627b83a8062832931f7cd32b224518bf9ca90ae5472f87. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZHZ42262007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x432cf9f9cd8524c8165509781a9bc90f252d62cb18a9c06e75a907c007cf5b7b. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZHZ42262008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8c928dca1110e00ce9ade4d34e8fddd36968f25a7817d18ce1f8677ddde1efa. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZHZ42262012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a57d185456bee8feebd32025d3beef7f9c981dfe3d408baf244b503696c088f. 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/QZHZ42262014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbaa03ab8adbc7314de0fd8139bf7a0019a7d90c7a7a64b31d962da5840d76da. 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/QZHZ42262015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0cc230500e5c044c7861e3c685183b5803ff68ac80629a4452b50d18993b2e3. 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/QZHZ42262016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78ea8e12fd10b958580ed11671fc563a97722b2bc6d4d8beecb5e1352b8e9222. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZHZ42262017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9ee973cdd7bb56ec4594d38528cfd28cf5f9b5a4fbcecb51efb438f426cc114. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZHZ42262018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x135b308983a0bbc965d31767a0f34c4a308bf9c74869cb6276761a88db5c357b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZHZ42262021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dd15f849743847e717c84287eaa7e08da35bd3570dfb1454e8d1546231d877d. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZHZ42262022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3a3b1a90916434a9161fae9ab185bb22ede691d4ca225b6c57a0200da438a72. 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/QZHZ42262024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f1618878a5f75ff5480a6fd1db7522a296990ff7edcd977c70ccfcae565a27e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZHZ42262025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeff5f96e3a1e532b6a6bd8af1aa5b59671d451a78127835a75ea9ba71137308d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZNJW2131368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5313559c2cc10011614837c97c382d6eded268c2a59b848572afef0a0c0ae15a. 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/QZNJW2131369.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa597bded072f0613619724d67560873b804fd3b73ce7db1667c6ceca8f5375b2. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZNJW2131373.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc52c56768dab48b6aaadf15894fd167714a6a88749182564ee7e9cd1d2ab9fc8. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZNJW2131376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58536aa69edbf26e8a88ca04ec81c7a7f7a7a0e26ce8d55f6eb6403defc537ed. 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/QZNJW2131377.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5b163ce08ebeb260b733bd22582ee72efe508de01dbb9b11521c49bc9a502ff. 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/QZNJW2131378.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1670e6af18e385e103d0163272e51bce07f27d85f9d09e41d2190c33806e8aa7. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZNJW2131381.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ffd367640a62775154d99eed4515356e551bfcc432c6449d0eb01468fa1d09c. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZNJW2131384.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddb13713bf8b42ade5579bfc7375e162bbd98245b2f8c6a200415385e614d179. 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/QZNJW2131386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b1e19676a9ca90e307281cd312bfc8e02a83add176bf32788d1580a2cf4abad. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZNJW2131387.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe22d878b573da685a17dc9c3c0b959fd9d14876feda403700a03b853a707a0ff. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/QZNJW2131388.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x453e7116534884bc22a68d79628459afefa5de0c6648f9d441958bb586addf65. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZNJW2131389.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c2789f5c99e122876deb3991d90c326026347a1a3eb2058fb888cdaee6695dc. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZNJW2131390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf6d676896f644522b5824f2c50c0c81d47c61a2be394254b774dfdc36331fcd. 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/QZNJW2131391.
Hanuman - Vanirama (Gravação acústica de trabalho devocional)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69c8e736c1b7e06746513473d42fa282eeaa0a60814483db524a443578d1b3f7. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZMHN2061331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46a0a82c939ba0e616fdb3c8bd82338bb49fa180312570ffc559ebd83c7929f1. 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/SE6SA2472032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e08ad216dbdb6ee62cf05062ca0f78e371d83a3d244b2b52112a79d202657fe. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/SE6SA2472033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0516fd6f59cb8bd1de20a5f65c207f2525ea140c54737bbd080c240be53a694e. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/SE6SA2472034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x463cd438d88d717ad3bab7c52a4c6638c95a892ed5888d028f19e97094478936. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T19:06:01Z), 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/SE6SA2472036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa642f804f6c0e161c55c8af908c0d95dc75ece8c9d70f9f612ded2b069d1d4c0. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/SE6SA2472038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca04d4bf50ad5612bde0c2d8ac85308365547ce228f33428c39e68be12aea887. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/SE6SA2472039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c73a44c894ff427adb6e1bfb7cdae18c1fd21c581173b8d40e363221c7935a3. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/SE6SA2472040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55311be20e721c00c0ddc59abbd06164b7a5e3db951d380b418b1a427780f527. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/SE6SA2472041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a155bac3e4da3a0fe74cb5f952c0cdc35c2a00b5995241795e0b1d06180f48f. 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/SE6SA2472042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfee6bc40bd7a83a6c27c5f5e8255ea81cc80a27dff470c64d71d0ccc13545e96. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T20:43:08Z), 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/SE6SA2472037.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch