Mustasch is a Swedish rock band. They were formed in the fall of 1998 by Ralf Gyllenhammar, Hannes Hansson, Mats Hansson and Stam Johansson in Gothenburg. History Mustasch was formed in Gothenburg
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 0xd444e06b945afdd7eb34233fd43ef629b3bc5294d774181f56949e61d249ec18. 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/36f92c51-5cd3-4f79-816d-09672d96b8eb.json and https://artists.proofprofile.net/proofs/artist/36f92c51-5cd3-4f79-816d-09672d96b8eb.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 0x5c6e9263e2d7e812ac853849b0dd79a668cd5585328adcf902f1276ebbb7125a. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/SEAMR0500210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dde2cbd9f90e2ea28bc6340d2e9e61e7cf6c2be88a5ce672c19508d2add3102. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/SEAMR0500211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9298ebb252b7f711d4c9bcdce9fbdc3a20fe90614b6ba6d34eb4b4dbacaa375f. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QM2PV1820079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc1a6e09aa329aead232a3bd6e9c67508ad0c151b955f0a4d89205f6fa4e8ae3. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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/QM2PV1820082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8820c01f617c105c8063de04d1fd52c24597144e5c24bf5fd33d79c1c1eea7c. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QM2PV1820084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0918cefc750872db94b87a3263e959a8a6a9e4e4d04534a92bbc18c4bf7fdedc. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QM2PV1820085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b1c64a0193da094d7171595e2cbc197c1d03f816bad73dabaa380b77abf04bb. Chain 2 (Bitcoin): anchored in block 958673 (2026-07-19T05:38:28Z), 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/QM2PV1820086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef6a9bff6085dc8d848e7ed5f2e2c2453ed8d2c754c2344ae8f4596f2adc280d. 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/QM2PV1820090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2b89c2835d422d7ce48f89f0a6a13ff6deb2a32a56f0af313632f43257b8d3b. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T22:31:44Z), 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/QM2PV1820091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6689e5c4095a8fcdef1582f74b30fa0ead0869f958f9976b9820510cdc058bb. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QM2PV1820092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71ab8614c10bec02e0a0c3ce4b9233d523aef6b6bef83fff8c95395a6b6a5e97. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/QM2PV1820095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a63ada63875b932877bcb88eb7c8a90c360a32074e1bedd560b3b7348c3c0dd. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T03:59:42Z), 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/QM2PV1820097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b742ceb9eb167dec9f982d864e3ad843ea02a3faae83390a56605dbf96e126c. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QM2PV1820101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef593a97a8151ec6ccc19020abdf310826a6b1603937887f67a1844a6a150ac2. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/QM2PV1820102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffb6a8b31fc3b70dd1951934fc6342df54f2e4af637c538154dda30a4afcaebc. 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/SEVWR1100103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3daea5f372f4536ac936becf0dc12997833a376f7edf2c3d9137ce299558bcfe. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T04:05:52Z), 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/SEVWR1100107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f53f56157d363f4482b38ee296857dcaa7c90ede208983d655dafe1919534ca. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T02:31:22Z), 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/SEVWR1100109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x280a68b35225c02b120543874f2e51a9dee7e5a0fe6ed475962fd0197fdabf90. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/SEVWR1100111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78c0b0a265da31c8726ccfebf06fd968005ee520102bbf650ed3c31fb80690a6. Chain 2 (Bitcoin): anchored in block 958602 (2026-07-18T19:28:16Z), 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/SEVWR1100113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50fe0342b787dd149c1b98372f924246cf055a90b689812dabc47a0d04577872. Chain 2 (Bitcoin): anchored in block 956396 (2026-07-17T03:18:23Z), 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/SEVWR1200103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a92a07e60b45d1951cd011983525a5758acc4250cd3f83bb399032f78f789d5. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/SEVWR1200104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4a27185917c6475208530af6a9d2f9e0666611e9d8c9105a1591d7e03dd9467. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/SEVWR1200105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc23c32d930f4fa7e8bdd2fcd677a4f00f14480271f48ef02e6a7b5106b5c6638. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/SEVWR1200107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c661327fecec0f1084d0721592ec9f709e2c4af23fac600f86d6c5ada6983ff. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/DEQ121216120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60a6f0ca4922061a7502c3422bf692e5914c915b377d0816ca7ab8d94425a2e2. 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/DEQ121216121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7713b67133287d3fe786d1f63435ea671c4714182a00fa55685b859362971470. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/DEQ121216126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdadddd50ddb563ec2ee74c578c32f88844c50743408689f70b66b11f0eae4fcb. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/DEQ121216129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x343a2140b3251799be553c5f7b9e305e3aa0f4135f0fdb7afd3f369d52e11c43. 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/DEQ121216110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb004fda972206cbb16d2cc457ff1258bd34061e7a697e724375626e2ed0abaff. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/DEQ121216118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3655db2aebf097d84fa6eb44836447c65b9c0919ced981d68bc6c80c14f7bbeb. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/SEVWR1200501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc23fb8ef7f9fc4daeb7616c747e5e6519fe00bf1160e0902aca21c0789e44a75. Chain 2 (Bitcoin): anchored in block 958617 (2026-07-18T22:07:13Z), 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/SEVWR1400103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe127256bc1dcf37934da4428514789056184f0907ba1729e8d92544dc55e2035. Chain 2 (Bitcoin): anchored in block 958891 (2026-07-20T16:22:05Z), 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/SEVWR1400104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe72839a955a96f76f3a5ffe97db46d43c16446c76d01fbe7d387847dde92571. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/SEVWR1400107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x148910f07728f2d4728d805bb37e306f04b08f7d345382e86f5951bec5c01f13. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/SEVWR1400109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x429eb205750d96e52aac33b3fc1721fae2e4a2b094181236a552c211c9ca1bdf. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/SEVWR1500704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb58a49ae97a89f4590230b21862b05231e042f7085b6794b6928c138d5d172c3. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/SEVWR1500705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6165f8a190cddd737792564e0eb352d3fc29ef229cbbe4745a1ef7ce463bdb69. 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/SEVWR1500706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8dd171d3af452ce83112fabf0b44a3ed906d9fc8a908515e45108fcbb85c51a. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/SEVWR1500707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cd9dfc2ad71a28c3815acbd12ef814dbf17b0b344eff5f27c0b30a111b6f27f. Chain 2 (Bitcoin): anchored in block 957714 (2026-07-12T14:35:57Z), 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/SEVWR1500701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ebf47c11c161c34bbf747974df2a3e1d847e832ef00faed43f9431be86ad8b5. Chain 2 (Bitcoin): anchored in block 958706 (2026-07-19T08:50:34Z), 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/SEVWR1500708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x564af523bb5535c74d5c2d53466ccd26d5fb832f26242074bcf83c39d286fb96. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T02:16:43Z), 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/SEVWR1500710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e5d13325924c9c3b5f6087589b58078084628e8bd675670d762e96b1cd9025d. Chain 2 (Bitcoin): anchored in block 957751 (2026-07-12T20:41:42Z), 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/SEBGA1700436.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd35c0baae45fb42e3a7dd121ed9816573b24b190049f2ea2dc9dcde6bd631cb9. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/SEBGA1800080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f2c477094c6d45859b2e6a2bfdb021e500a44bc39acbc1f037915ef7c0a348b. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/SEBGA1800081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ce5b260420887439de17e8c832c634e28e3bfe9b27a49cc945e75391a479aae. Chain 2 (Bitcoin): anchored in block 958075 (2026-07-14T22:55:31Z), 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/SEBGA1800085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbf67aac7b97ffc24fe5dd39722639d4dbb7128554bc945a8885f5997da89e9c. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/SEBGA1800087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7eb2adb372b75d271ca8eba77b55f0dfe0e083f7c917e80a4c1e2304fa982eb. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T17:33:54Z), 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/SEBGA1800088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce85f18090af9be0b04c55377e11aaa768f162e81f2e029de781e38edab2bc5e. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/SEYOK1926460.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc27b426de852912312f5c1b5730cf3e34d4f4aceffb33ae0197b0867eb6c06c5. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/SEYOK1953128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0990a931e9261eddf199b4c49f77eb70a13317e31e349f1b9af9824aaf7dfbd9. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/SEY7H2100201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54cf97e59d21968e5bd4f5faee741d634278dab17b39601c3ce499faf45946bd. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/SEY7H2200101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x784115413d4441553fe504cb63a28f79069e39780e7600a243520e07bc92c221. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/SEY7H2200201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcb9fd225238aa0c12f62b7d2f4382adbfc1cfe0afb109d13b33ece9eb3016a7. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), 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/SEYOK2320397.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb62777588a2299d49cf3b0c40c08bace92cfce9a2fb77e3acbea41f8c93d431. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/SEYOK2325942.
Swedish Metal Classics - Lost, Hidden & Forgotten
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5f485d12a4dcca2b35ce3cdce504aecdc9bb23d2a264fcaad743baa9a20952f. 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/SEAMR0100764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf16aeac0521e0fc03eb3c5a132ad6be7ba7645f310c96b0751421df83db3444c. 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/SEAMR0100739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f8e26313d08ce4750c117904a536390e2313b9a933805fc6a06d228736f860b. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/DENV61001348.
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