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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47ac9a67da3061d2cbfd0564f95c60ce09bb8de9ff813bf349b8df4025eebe0a. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d5dbbfef-8126-4f13-8400-443e187d8c5e.json and https://artists.proofprofile.net/proofs/artist/d5dbbfef-8126-4f13-8400-443e187d8c5e.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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb6afff6ced1927e44d3dad3c573e7994f93e052725ada1b3ff3e29b83e34a1e. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/NLB602400001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x167f35154b0cf66b122035247ac5ca3f917f3da5f6e71b633fa4752528f1df22. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/NLB602400002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb1401f78454eaac059f4def9582641e91c467a2c215f8de9d5009a720862950. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/NLB602400003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10cfd188bc42216076904f01ff3d2bb4e1c80bee52379ff47fb09c5c3707ddcc. 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/NLB602400004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd4f392d13651d0ad61c7cbe99f072f4ec6c731df3ac67e59ae65e1fea041f27. Chain 2 (Bitcoin): anchored in block 960506 (2026-08-01T03:50:58Z), 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/NLB602400005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x969ca173f995fe28a5cb2633ec8c937b6f3d23c3fc4c8d7ab7e6650893ae71f9. 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/NLB602400006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50d5cecc8b1efc2c376cf82939e7a127d29e35e629e91739fdee92d60924b2eb. 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/NLB602400007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x717a5263b41c328b67567f2f9ff9d7f7230f8fbb3fdbf00ebd0bdb0be2137c23. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/NLB602400008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab80a6f2a4287792b322600b321c546e6cb35b73f32b70e32d989cd4020525bc. 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/NLB602400009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb00a569c9a05b4b842aa8cf0d51223882ea622abf52da39f3419b29584760da1. 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/NLB602400010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62aa1101482151bf462370755c3e492abbe51aac787809f0ea719c4eb690027b. 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/NLB602200195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7181d723b8dcab11462fd0d968339d9e698ebadb81f92491cf3e4dfa9f4e54c4. 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/NLB602100188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a7ed58788b5effdf1d15ccff212c84b7251f427cd035bc3ea5b9c986e535f80. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/NLB602100189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aab12e05343121d2c8b497250f0a62a46f5b1f35fde85a68fa4d7d77162abeb. 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/NLB602100190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeab0492cf268e8490700d96a628a2e74f97bca3e08216eaa8f3de6213078054. 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/NLB602100191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x199e07bd72ad9a3789178d622a9640767257069e8c6fc640adbcd41ebd514c5a. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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/NLB602100192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45052fa36fca4eddac136b0fd12b487bf3d35a66dec2f3710788378927c4a4d9. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/NLB602100193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03a0087f672a0bb67c666077d1c94ff3ec1d52ca657c44c459fa6f539fa5e3b9. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/NLB602100194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2600647e099d29ae70a046f77ec7db0b9415d859bbd5ae8fb54df449978fe018. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/NLB602100195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78604595eb9adced93c79c08a6fcab80bdf57a61ad476654f3c61e52c2f6d93c. 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/NLB602100196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eaeac734f7f8987df04d7dc26200c742e348a53d087c4afdc219a0bc105d984. 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/NLB602100197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fa32e2aff7b8b92c02e369a9d43208e23e1ec89132dfb3db6202658642f7d0e. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/NL2GU1900001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8a70bcfb9b4f63a45a3b4ebf31a462e835ff46a7c19bd420019e03293658455. Chain 2 (Bitcoin): anchored in block 960383 (2026-07-31T09:50:37Z), 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/NL2GU1900003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22308e5ce6fe9ac87ded130d46f94ca101ac3f6405eb5e6a2e457db0287c7797. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/NL2GU1900004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8378eaba0878a5a399e760597530eb7306df17f9758152ea033f57b47e6f8b9. 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/NL2GU1900006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x214c32e56b0d90257c7aea9c42fba8156fffc6b1dd738692c174cfef2a57ef3b. 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/NL2GU1900008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4939567fd5455c6ee89840317f2682e0466aa993b9b7c0dd23cf68a4f8b6b8e. 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/NL2GU1900010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2fd30403323e5ccdb1e2a9b3b8e5ab24bae867c1873af50162781fd204693f6. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/NLH211800068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0297410ad7f5b3e5842313a1aed6ddccdbd17aba5d67ed607e12e25f59d765e0. 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/NLH211800069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3fa5fd80018662f64bd67204830bc6d87f2d954662bf839e2faf7a2ebe33d24. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/NLH211800070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68b699da01fce216288de11f4ca8de3eed760fd00e4ee63b8d63b7bbec4ee609. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/NLH211800071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec97ac43165edeaafc991bc0c38c0ebbbd5906c2c5c46f94236ab425661a573d. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/NLH211800072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc71d0f5a67274c5414126824fbffabcb2234fb17071379f9d95c1d3b18a0cce. 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/NLH211800074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b20aa25f6180730d96e910a7cb7aa3db8d44d513550dfb2d1301539a062f9e8. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/NLH211800075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d527dee2acae90e8875b6d7660d027706bc3cd71a593d37b636d30347bda808. 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/NLH211800076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25ec1872bfe1efdeaa708f1f3dd410c12eb28456b0336cc98fe3488115855442. 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/NLH211600032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77453d0075a0f80e3bd07bf76cd84b99983554c05fc57b1ac5228794b81eb9dd. 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/NLH211600033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae37c6eefa0838c0fc4c2249e753c98bd0051f104891aa9336eeec9f464ac95d. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/NLH211600034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x589cd9fde0616cd5ce609bdb6156439709c518b65287b987773973503015aba6. 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/NLH211600035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa20f003b88088ca3534fe7909098be1b5b8fdc445ec28becb9529bff6136fcb7. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/NLH211600036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x871597c86c0fafffa3efc8fbbb3dcdfe0777c482ee519a2a7d568a9aa8c7233e. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/NLH211600037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ff10fd9ed1ee6226b010e9ac6ffc66cd702f1a96e391f53befd036c7e01e82d. 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/NLH211600038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49ab105bf24e1f1231d82b797f86b28c6d71acdc13998c0fb234eb90646f6d73. 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/NLH211600039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf9352e4ee02387d344640583235f70323fc145ca01689e2791fc49d06bf5416. 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/NLH211600040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78b998ce7da3f42727d66bcff5e60ae94b4a3291909916628822b6b173e36e43. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/NLH211600041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d7f095f3d79cf172a131ce02b0caa2cb113094623b2db6a5258e9759a11e59e. 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/NLH211401026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74aa501973b6606a42d3aa5b8a6f147114299e443c7c28408474f7fc09c8aac1. 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/NLH211401029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8172dc6e411eee2e19a5b6f3ff1e117d23791a73595341a4ffb2672d2b2f3789. Chain 2 (Bitcoin): anchored in block 960430 (2026-07-31T16:09:41Z), 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/NLH211401031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c6e12d2fea93d20b6770d2e7d265da626364be280368cc02b70cd71e357de34. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/NLH211300823.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x941c9538c37b0b0d8dd203d4d48046217a3ae488338fa2255880b044110d1988. 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/NLH211300826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x228c95a98efa03575a303d83a05a337e2c02e8c3da73ea8fda217ab3708af9cf. 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/NLH211300828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86616f9d08f796bc768054340e86899a35799a7c779e3125cabe891a6f416c0b. 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/NLH211300829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cde1c88ed93984f3cb1d8f926648ce900be103742a8b2b8a988d2e1916228df. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/NLH211100723.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7181d723b8dcab11462fd0d968339d9e698ebadb81f92491cf3e4dfa9f4e54c4. 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/NLB602100188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a7ed58788b5effdf1d15ccff212c84b7251f427cd035bc3ea5b9c986e535f80. 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/NLB602100189.
Jan Douwe Kroeske presents: 2 Meter Sessions #1742 - BRUUT!