Todd Harry Rundgren (born June 22, 1948) is an American musician, singer, songwriter, and record producer who has performed a diverse range of styles as a solo artist and as a member of the bands Nazz
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 0x08dfe05ffbba5b4d07d904e0132f0f6713ae29589c140ebc345665f9f8a71fb6. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e75fb8b4-ae0b-48dd-8d10-eb8f877af3af.json and https://artists.proofprofile.net/proofs/artist/e75fb8b4-ae0b-48dd-8d10-eb8f877af3af.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Tic Tic Tic, It Wears Off - 2015 Remaster
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 0x546f7e239093ad86be32d45c2190dcdf174e5e6f88a99255a1bc5e25c511acd7. 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/USRH11509543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13b5fc8eb78396848d6ccbbf7168d74c011a050d380cb079dcde4bf9eb9f4593. 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/USA560879514.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x505f7d06e17225a1c2218c4fc798ffdc11b869f0e856f1ce5b5ef080ebe75494. 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/USA560879515.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9da3eb547d3b55739e6063ffa03c627ba4cb784d931e58f5a3489d36bcf335c8. 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/USA560879516.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbebd543d46b5b09d913e040bc415cdb15b49a6507b2a241bf04341f5fb8ec58. 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/USA560879519.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c4fd5ac5974aae69c02105dfbc24b9d38286db1bc15d909e91e7a948401e733. 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/USA560879520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5d6cf0ae1d5a7279e20a0dc2ecc30573774a3fdedc6aad6252123f3c5728b29. 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/USA560879521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd6d59a0e8145481a1e962ed011cf3adee6a0cdd0eb0d6c5919979c6c02382ae. 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/USA560879522.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36433d4d170588c3ef9798fe71daf9585b1c7b61773251d19757876f153d4237. 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/USA560879524.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2338cbf40f30511e896e646530bd9df9bc613ab4f6332b17b79681e8e33e70ee. 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/USA560879525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1b59da2ae085a444fac0964b651f070840433ac1c6cf609c1247b3b1dc09c59. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/USA560879517.
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 0xf695113b852b0c65846225777c8ba0aae77c1435289874351d960f0973c8be26. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/USA560879518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31d56a61e8d0d185af51a6ac11a4db6b90c9d280885f4a75c943aa6e3cfd089c. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/USA560879523.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7238d76c093a5b2cf564d3d5f047031c32f69522345f5bb29fbb342233d90244. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/USA560879526.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd53305dba91738295e434ced81f5da539ef34744893a529d80cd8cde6aaf4d4f. 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/USRH10651746.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ce4c6a8be6a53ccb4ca14ef64569c2f547c297ed38dd07d482fa6f0c84f5266. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/USRH10553197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x463194026815400033a0f3e907b487b8f79510b44e3638ba10031e4313d87eab. 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/USRH10553227.
Classic Rock Masters (Re-Recorded Versions)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x521883b4dfeb9fbc9946cbf8f6db0c26e26648cc7b0adbdcc0dca987f3fb7e31. 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/USA560743414.
Loving You's a Dirty Job (But Somebody's Gotta Do It) (with Todd Rundgren) - Extended Version - Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac4276d95bfe5f7b113263f914359ac98d645798e242c5eb683385b19c9a6b89. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBBBN8502013.
Still Wish You Were Here - A Tribute To Pink Floyd
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ac8608fb336bec961ea2a79d8f933bf0a3f5b18961a18d52f4400f15a908d45. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/QM6XS2100134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcd6d39153e6b574265077f680789c1d11f577a980f7bb8735e20aa9162db05f. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/USRH10651764.
Light My Fire - A Classic Rock Salute to the Doors
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cbc849c498ed9e38b4dc1b55e15527aa8e464d43c6333db322d481192b9a20f. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/QMFMF1472905.