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 0xfd4fa7a40f11e6a251a40970a9580e4cfb9c4796dd56808d1785ad8296cdd7e4. 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/f54e626b-ea58-40b0-ab5f-bf97126e9c59.json and https://artists.proofprofile.net/proofs/artist/f54e626b-ea58-40b0-ab5f-bf97126e9c59.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xacf37933ddd1f4596936ba5dfd4ee8a97af3a52b1c300be885452b8a02cbdb42","isrc":"QM9WM2100081","name":"Qué Te Pasó","registered_at":"2026-06-08T05:30:23Z","spotify_id":"2tCgoVcyjGWC3cCFwaNr64","type":"track"}
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 0xacf37933ddd1f4596936ba5dfd4ee8a97af3a52b1c300be885452b8a02cbdb42. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2tCgoVcyjGWC3cCFwaNr64.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/2tCgoVcyjGWC3cCFwaNr64.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa42881cbac0593a81f181f18869ade543f6279e8177d59da87868834e3679898. 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/7poEhFvYB9rnPFZGjVul7d.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/7poEhFvYB9rnPFZGjVul7d.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c4ffb4a94e6843886d4fa86e6f18e2640b251e73f33dc07500d08815f955127. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1GhC5Pro3vXma0OxLnN6P4.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/1GhC5Pro3vXma0OxLnN6P4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dac5e230463d03a9e443b38168dabd3bee65a0cd23fbc312d7a619e4d1c7568. 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/25Ga9guxLibg4kn5OuXuQF.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/25Ga9guxLibg4kn5OuXuQF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa42881cbac0593a81f181f18869ade543f6279e8177d59da87868834e3679898. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/512TwzvnimEzzWf0WrkmVn.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/512TwzvnimEzzWf0WrkmVn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf98e7828d334ef672f2c77421cb754d41b05aa8ab7a985230a7040de2892356d. 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/1TUkfsIw56jZ7nq6N1KuA6.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/1TUkfsIw56jZ7nq6N1KuA6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b965d4c67ae651495e0087b70086c8077ec08bf168bf8e5a403ae354594d144. 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/5I03VPyv5z2eRNaTx9XgVa.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/5I03VPyv5z2eRNaTx9XgVa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52641e77671513c779fec661f98f4b2545d8aa604a184adf75100c251e2cd972. 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/2DkZmgOhYX5m4mOgORqIzq.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/2DkZmgOhYX5m4mOgORqIzq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c4ffb4a94e6843886d4fa86e6f18e2640b251e73f33dc07500d08815f955127. 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/7hNPXEAlSl55GelGBCMPN1.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/7hNPXEAlSl55GelGBCMPN1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cc5fb9784b0b5d2f7b8e89d8442f4062199ff387317e72a71eeac97944c646c. 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/6eo81f0hY7dux8UDTDJFza.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/6eo81f0hY7dux8UDTDJFza.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6338d7531db9aabd5945682fb2f7317e8b107d1ec35f4096077199fe9cc4b659. 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/7yQVxpEIfgUJZJLoucfbs3.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/7yQVxpEIfgUJZJLoucfbs3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f496a9ba33a5151fc68a2301ded574018eec647426b2e3c3b3698ae80a3412b. 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/5DkDBumb9ccm0T3pTDLspa.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/5DkDBumb9ccm0T3pTDLspa.
{"copyright_id":"0xcdf45eeee1989ab07d2b979a41ae5ae1cd22ad0c73542c7730cc88e919329782","isrc":"QM9WM2300001","name":"Después Del Party","registered_at":"2026-06-06T04:57:21Z","spotify_id":"4AanOfVKkQKYRe4nbcaVaG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdf45eeee1989ab07d2b979a41ae5ae1cd22ad0c73542c7730cc88e919329782. 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/4AanOfVKkQKYRe4nbcaVaG.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/4AanOfVKkQKYRe4nbcaVaG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29e49dc23436c20e323c982894a197c98f6be392505432b4f662306b036982dd. 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/5RgBJX31NEVDcGUSMGBWWO.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/5RgBJX31NEVDcGUSMGBWWO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1357c5b65207c5738097fc6de6bb9ba0f38f0528c6a0e8ea390ecdd9037081c0. 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/7AdDZQQNj19gZ2vVJnL1tj.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/7AdDZQQNj19gZ2vVJnL1tj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6c5d42117bafc35b87184a83ecdf7f67893f449286558ae0c1e2a3b419eab95. 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/2xjOscL67Ui1upIFUO6gze.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/2xjOscL67Ui1upIFUO6gze.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb85c4d92c8356798bd6c369d9843cdfcee408c91d1e7da3c0df27f38476bd732. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/55SBsj6T7muoDtMcUX5feZ.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/55SBsj6T7muoDtMcUX5feZ.
{"copyright_id":"0xd95925e50f29af4b79eff9b582a831ea4d2c5f8ee90a3288dbe1490ce340abcd","isrc":"QM9WM2300148","name":"Me Llora","registered_at":"2026-06-08T20:48:22Z","spotify_id":"1Ol7FO6dLtlTEzeZaRd1FO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd95925e50f29af4b79eff9b582a831ea4d2c5f8ee90a3288dbe1490ce340abcd. 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/1Ol7FO6dLtlTEzeZaRd1FO.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/1Ol7FO6dLtlTEzeZaRd1FO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc715a30f06a5146a065b843866539adc5cebe15ebdd3a99b62502510821d8519. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3HZLu1XXWZyxhnvTDq3K3T.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/3HZLu1XXWZyxhnvTDq3K3T.
{"copyright_id":"0x473402fd767eaddd61e70fbd724f0f241a8babb27bdc5779c3e161b40908fdcb","isrc":"QM9WM2200046","name":"Qué Te Pasó (Remix)","registered_at":"2026-06-10T20:53:40Z","spotify_id":"5ppjSb8GrhMPzJSX4n8C4x","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x473402fd767eaddd61e70fbd724f0f241a8babb27bdc5779c3e161b40908fdcb. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5ppjSb8GrhMPzJSX4n8C4x.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/5ppjSb8GrhMPzJSX4n8C4x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2052f7856581235f726c3b2e11da33d47bc90fa5491bc0dbee6ea2bc1283b955. 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/4xFvJh3BL9Cye9UkB1PEAf.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/4xFvJh3BL9Cye9UkB1PEAf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f7a0bc6f959423b6d6a2ef06a578bc5c71b48ebcc6e88f88d61fc3122e1df1a. 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/4jiYaQVHzMfKhEeLypWpNO.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/4jiYaQVHzMfKhEeLypWpNO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6338d7531db9aabd5945682fb2f7317e8b107d1ec35f4096077199fe9cc4b659. 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/2NYEODPUuyuOzBLbukmQte.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/2NYEODPUuyuOzBLbukmQte.
{"copyright_id":"0xd58202f1b977ff5b9efb80c3ddd5bbea39226e4294b86ae7d0e8017a5a2dd46c","isrc":"COSO12200089","name":"Prende y Apaga","registered_at":"2026-06-06T19:00:50Z","spotify_id":"6cC7SI0BhSOaGxPcIAQsbZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd58202f1b977ff5b9efb80c3ddd5bbea39226e4294b86ae7d0e8017a5a2dd46c. 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/6cC7SI0BhSOaGxPcIAQsbZ.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/6cC7SI0BhSOaGxPcIAQsbZ.
{"copyright_id":"0x2da08571e9757c45240813cdebcb39fbc953dcd3c95ecfe65f4ddb755e39f254","isrc":"COSO12200001","name":"Niña de Mis Sueños","registered_at":"2026-06-04T10:29:28Z","spotify_id":"3bBdvKYZDMbjnwwzDgnjWx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2da08571e9757c45240813cdebcb39fbc953dcd3c95ecfe65f4ddb755e39f254. 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/3bBdvKYZDMbjnwwzDgnjWx.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/3bBdvKYZDMbjnwwzDgnjWx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x958ec73cef240f33fb23a7a076bf39dcbc6641ef740e8609e76599d3de3eabeb. 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/34fvg3tTTH5Dtzd0dqgs85.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/34fvg3tTTH5Dtzd0dqgs85.
{"copyright_id":"0x2d5fbd1ea4a991dff9e40cc188c7e1c5ee8cbe249633ce9b23c060b4b1dc3e21","isrc":"COSO12200090","name":"Amor De Una Noche","registered_at":"2026-06-04T08:47:21Z","spotify_id":"6DlIqUlAjLfrmgUdewGf1x","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d5fbd1ea4a991dff9e40cc188c7e1c5ee8cbe249633ce9b23c060b4b1dc3e21. 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/6DlIqUlAjLfrmgUdewGf1x.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/6DlIqUlAjLfrmgUdewGf1x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4f20e1f6d58c7180471e5b5ffe368eb4e4a273fa691752b0864f6c5e935b8c0. 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/5W8Bl46FPBi9r1fKf3iArD.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/5W8Bl46FPBi9r1fKf3iArD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f496a9ba33a5151fc68a2301ded574018eec647426b2e3c3b3698ae80a3412b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5fEntPQhK92libw3TOUyZq.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/5fEntPQhK92libw3TOUyZq.
{"copyright_id":"0xb454ae9faaadc8ecbf8775ed2b5362ea8b7ce351ed21c54a9b83f12fa8459b4e","isrc":"QM9WM2200098","name":"Cacique (Remix)","registered_at":"2026-06-20T11:24:27Z","spotify_id":"6IjnQ0Lj9MqtR6LHaBxBLs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb454ae9faaadc8ecbf8775ed2b5362ea8b7ce351ed21c54a9b83f12fa8459b4e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6IjnQ0Lj9MqtR6LHaBxBLs.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/6IjnQ0Lj9MqtR6LHaBxBLs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39a98b7d90a0942d1f1f965a2f12101a3b123033bf7feb8dbd7d1e46c3581897. 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/2gjUoS13zCCQPuI8PzBZJq.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/2gjUoS13zCCQPuI8PzBZJq.