1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x41a207f6166f6245c5f1855916060fdac686107f737ccc87c500b9b4b12941f2. 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/0b8ec8f7-bc45-4c0d-bc0d-4a5a8acb2fa7.json and https://artists.proofprofile.net/proofs/artist/0b8ec8f7-bc45-4c0d-bc0d-4a5a8acb2fa7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f864ae779209a185bfd2b5a413089c94ae6db7f5fe3bfb7ec2187f3d80a0c49. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4IfzEViG2rW1mhZrxN45D1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4IfzEViG2rW1mhZrxN45D1.
Móntate en el Viaje - Chusma Records Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73d70dc0143febcc2b6d94cf58b28dd832a9fa6f8f92ca832a5080d5200d06e0. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/67I8RtykPhKBOdZIKuvOi1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/67I8RtykPhKBOdZIKuvOi1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x971e620d2e0749c6a18ef02bf795e752e4f1e244e9ff69cf683941b73b62d7d4. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/70zQ5ggrmhh5bn9yar8PzX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/70zQ5ggrmhh5bn9yar8PzX.
{"copyright_id":"0x8adf9e8ef448da8f8ec0388062f78694c060a567c5f49af68e543a1b6bc32c6c","isrc":"QZHZ31922638","name":"Cami en Capri","registered_at":"2026-06-23T08:09:36Z","spotify_id":"3JmhE4KEpoDGIawBMjiN90","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8adf9e8ef448da8f8ec0388062f78694c060a567c5f49af68e543a1b6bc32c6c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3JmhE4KEpoDGIawBMjiN90.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3JmhE4KEpoDGIawBMjiN90.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcef041113d3760e2700b2949e04836a04394d9b1a895d6667b83eab1e549245f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6bihfiqyB08ertohcVuiUQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6bihfiqyB08ertohcVuiUQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71a6046004d3cfe641ebc870969518dcf7801bf5c2beac04b31955c85ad1903e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4jo8s0TQGVHnmZ2gjErAQ2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4jo8s0TQGVHnmZ2gjErAQ2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cf5f1e5ea5b5574e4851c55e38e6aa09f5174c8063fcb221eda5f8ab664a5cc. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4kGyJPnKnDfs5v02eJQ17X.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4kGyJPnKnDfs5v02eJQ17X.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x065f81f4c5d01d7f6c01077ebd0fd47570b1e2831e3a83b92d4545d1162ccc09. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6igYafJjuXcq87DLZJyXzW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6igYafJjuXcq87DLZJyXzW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf86781816f8192e25e43f17e3a354f0567d89fd9a524d7bf900431513a2a09c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7MjXmTbreeAJeVb9i4n1xI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7MjXmTbreeAJeVb9i4n1xI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x010514732c0611187d6c608289af828ad92c7dbfbec183c0c44ca43c2407eb88. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/69jubbREtK7rTL63zcLjZy.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/69jubbREtK7rTL63zcLjZy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8485524d9e4ef25461bc0a0db4ebe5775497c2a43f231a7c37ff95cd4465f5d7. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0k6JmVpT4JZrFz4SIIh0iS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0k6JmVpT4JZrFz4SIIh0iS.
{"copyright_id":"0x251f043fca25c1dea9e7097b66fd9d804dedc39b5fcc60658cec71786255fb45","isrc":"BK4DA2413328","name":"Tu me haces","registered_at":"2026-06-22T03:34:40Z","spotify_id":"4ZsfH6wPDBHN5GS5DtFsCU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x251f043fca25c1dea9e7097b66fd9d804dedc39b5fcc60658cec71786255fb45. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4ZsfH6wPDBHN5GS5DtFsCU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ZsfH6wPDBHN5GS5DtFsCU.
Las pequeñas cosas - Slowed and Reverbed
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdeafc6a371d6e6d15f164d1e75814646d79e69718b376eaadf4c501df4d9515. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4X9cY8EFS6q7VOWkTaXK3p.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4X9cY8EFS6q7VOWkTaXK3p.
Ojala Bogota Tuviera Playa - 2013 Version Mix
Galletas Calientes Present: Demencia Tropical: Alien Sounds from the Tropics