A career woman is a term which describes a woman whose main goal in life is to create a career for herself. At the time that the term was first used in the 1930s American context, it was specifically
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 0x61cfee84f3362a45d8be73efba1411efb6ff45ece6a4770f47f3b4a69baac37d. 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/f3ad76b8-ca88-4bf2-afc4-838fbe412acf.json and https://artists.proofprofile.net/proofs/artist/f3ad76b8-ca88-4bf2-afc4-838fbe412acf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
you are everything, everything is you - demo
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 0x1a45cf07cb1af84c4f3ae4b01cf5bea8abec3756805611be95310859290b8721. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/QZAKB2413013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4330fd1179b2c421d7d7319ae9944ad94cba850ecadc029d26ddf1becead5027. 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/QZAKB2413014.
The Strip of Land Between the Marsh and the Sea - demo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0474ea56068e5e56be689b156bc658d3865e93452625524d063e86679d2fb0a8. 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/QZAKB2412938.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc749d9727152041ffa486ffdaf283002e363d9092a7070be899fb5d34266f7ee. 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/QZAKB2412940.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79ac17727b07d4f01c9b5b1fc1c0fc368b68665264dc3f4ff501e10da78fc648. 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/QZAKB2412941.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb74c07a33b4be1b28657e4dbbce883090a7c38dc08bd59b2cdc4c32e66e83e1d. 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/QZAKB2373787.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb56c1323bee77e381daf98a4e7b12b83dd5db666f7a6fc6702e8ee22b6969f9d. 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/QZAKB2373521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89e7d0b2e24b602a1e3e11fe44bb1517df4acf03ef2ce426178c7de9c4813a5a. 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/QZAKB2370365.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x081dc6a931b3617b20d84e988322f8370dd61c2d01a6b2bb8b7a809f4496dbf7. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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/QZAKB2358910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaae75561e58ce7461eda0dd8628666dd2d75d60ba1c8674bb488f46b56013c7e. 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/QZAKB2358911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3db2223d5e324d580465ac16278dc2b4882cc1991cca86493f5de2ddee789550. 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/QZAKB2356849.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x843d15f3d0b6f1abfae552beca1447db627408e1f4209c21c293713c0fe3d210. 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/QZAKB2339843.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87387363dfa4f6cfbcc40e92c4f3e2ec98c6ab864a0b08ed03b9f86d150b3464. 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/QZAKB2339845.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x052e1fdbdd74b442f4d6bcdb12221393f0fcfc6549a569b07244e2318e8b7da7. 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/QZAKB2339846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe51f9c4d772767ad8dcf7363034aaef21412de1136e82f5bc91d54e1946c2ceb. 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/QZAKB2339847.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x430d3ec3e57e95cd60e541de2578fabfda9f6679a108a01ea06ce7c9f143bb9c. 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/QZAKB2339844.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87387363dfa4f6cfbcc40e92c4f3e2ec98c6ab864a0b08ed03b9f86d150b3464. 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/QZAKB2339845.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66ba592c1c704f0bfb4cd9c31bc0cbe216ccc6872b234073d1dd37f24e066cbf. Chain 2 (Bitcoin): anchored in block 960487 (2026-08-01T00:15:43Z), 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/QZAKB2326700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c9b36f419d3782d05cd42db79406ed114ef79f4f881b2eda21a16eb01b5a709. 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/QZAKB2317270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0182d30996fbc52fe85e7b309b6af0f7dca0f2582187222c417aff37a774dc9f. 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/QZAKB2173510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc50ef15a2dcc074d9097c6b4ab9b15fe165bd49b611d8714d86d54631f02b04b. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/QZAKB2172896.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba9e83bb6fcac14a4985292fe4256e0bb5487cdc77a40fff3de71f3bf981cc8f. 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/QZAKB2170466.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc096a141bb85dabf9cb60d6afb306289ed2f2cd7074f6190a79f16ce59b25f88. 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/QZAKB2166595.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88f42bc8b097719f25c79526700adfb856517a6eb2436e94fa0867592aed78b5. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/QZAKB2136137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7bc0887da0d09a9c672a5afcbb3a9f3f92abc5f1027cf2c09d6aba26cd2c2ec. 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/QZAKB2122368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0a443f7ae5376e050d176b168ad02a62e51ef4273ce7b817338408638a14ccd. 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/USA2P2015072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37c4a52fdb33014d708163aadfd499470e711a7bfe7e93f49d38f8db726f2683. 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/USA2P2019762.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bb5f25fb36d940dd76c5c17dfa5f4f70e1065e42abefeaa3c377c441eadc5ac. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/USA2P2019764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1d5c4a59db00145fe606e432f12aee12a8a9de11a276dc7dc89feb50abd7377. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/USA2P2019763.