Peter Härtling (; 13 November 1933 – 10 July 2017) was a German writer, poet, publisher and journalist. He received the Order of Merit of the Federal Republic of Germany for his major contribution to
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 0xa76909af1aba778c3358bf448ed8718ecd7633bd18f30855b1b7898c27a9b429. 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/30d88f07-8a60-462b-8d3a-66a193f402ce.json and https://artists.proofprofile.net/proofs/artist/30d88f07-8a60-462b-8d3a-66a193f402ce.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ben liebt Anna, Kapitel 1.1 - Ben liebt Anna
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 0x13e53f348342665dff771df58b5f7bbd5bd622aed098471ecbf7ad86eeb3f519. 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/DEWI11141727.
Nachgetragene Liebe - Eine autobiografische Erzählung (Ungekürzt)
Peter Härtling liest: Krücke, Bozena und Nachgetragene Liebe
Peter Härtling liest: Die schönsten Geschichten für Kinder
Franz Vorraber & Peter Härtling: Sätze von Liebe (Sentences of Love)
Winterreise, Op. 89, D. 911 (arr. T. Zimmermann and H. Holl): No. 1. Gute Nacht
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63081791038fca7e49555e5aca023637b0eda90bae1428e21328c47230548c50. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), 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/US2TL0904901.
Winterreise, Op. 89, D. 911 (arr. T. Zimmermann and H. Holl): No. 2. Die Wetterfahne
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcab87557e6bca56df935745975519c998ece2168bd6dbe4c89e81e831db8891e. 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/US2TL0904902.
Winterreise, Op. 89, D. 911 (arr. T. Zimmermann and H. Holl): No. 21. Tauschung
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcb1068978e17398b4458bde3ca52b605eaf513260334fcfebd2dec4445e3756. 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/US2TL0904921.
Winterreise, Op. 89, D. 911 (arr. T. Zimmermann and H. Holl): No. 24. Mut
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb498ddd89b8e8afe0a879c1b47ca061292f4c582ecdffb5d744c77b25900f550. 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/US2TL0904924.
Intime Träumerey - Die Einsamkeiten der Liebe bergen das schöpferische Genie - Szenen aus dem Leben Friedrich Hölderlins
Impromptu Opus 90 No. 3 in Ges-Dur (D 899/3)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd92237dc0d23337573b9905e7a19b4b1f799ce4cc4d0fc0365efbb2517162a96. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/USA560751642.
Schubert, F.: Lieder, Vol. 1 - Opp. 1-24
Winterreise, Op. 89, D. 911: No. 21, Tauschung (Arr. T. Zimmermann and H. Holl)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcb1068978e17398b4458bde3ca52b605eaf513260334fcfebd2dec4445e3756. 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/US2TL0904921.