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 0x54dbabc6e7e43ef46047937173af3d8ed098a2856fb3920950fc7788a23c5cb8. Chain 2 (Bitcoin): anchored in block 953864 (2026-06-16T00:30:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0556e987-c30a-459b-bd46-6b299d53f703.json and https://artists.proofprofile.net/proofs/artist/0556e987-c30a-459b-bd46-6b299d53f703.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Dance of the Sugar Plum Fairy (The Nutcracker)
Happy Birthday Dear... Personalised Happy Birthday Songs
Lofi Chillout, Study and Relaxation Beats
Happy Birthday Dear... Personalised Happy Birthday Songs Vol.2
Happy Birthday Dear Family... Personalised Happy Birthday Songs, Vol. 3
Happy Birthday Dear... Personalised Happy Birthday Songs, Vol. 4
Happy Birthday Dear... Personalised Happy Birthday Songs, Vol. 6
Happy Birthday Dear... Personalised Happy Birthday Songs, Vol. 5
Happy Birthday Dear... Personalised Happy Birthday Songs, Nicknames, Vol. 9
Happy Birthday Dear... Personalised Happy Birthday Songs, Nicknames, Vol. 8
Happy Birthday Dear... Personalised Happy Birthday Songs, Vol. 7
Happy Birthday Dear... Personalised Happy Birthday Songs, Nicknames, Vol. 13
Happy Birthday Dear... Personalised Happy Birthday Songs, Vol. 10
Happy Birthday Dear... Personalised Happy Birthday Songs, Nicknames, Vol. 12
Happy Birthday USA (4th July Celebrations)
Happy Birthday Dear... Personalised Happy Birthday Songs, Vol. 11
Feliz cumpleaños nombres personalizados No.1
Feliz cumpleaños nombres personalizados No.2
Happy Birthday Dear... Personalised Happy Birthday Songs, Vol. 14
Happy Birthday Dear... Personalised Happy Birthday Songs, Vol. 15
Happy Birthday Dear... Personalised Happy Birthday Songs, Vol. 17
Happy Birthday Dear... Personalised Happy Birthday Songs, Vol. 16
Happy Birthday Dear... Personalised Happy Birthday Songs, Names, Vol. 20
Happy Birthday Dear... Personalised Happy Birthday Songs, Vol. 19
Happy Birthday Dear... Personalised Happy Birthday Songs, Names, Vol. 18
Happy Birthday Dear... Personalised Happy Birthday Songs, names, Vol. 22
Feliz cumpleaños nombres personalizados No.3
Happy Birthday Dear Family... Personalised Happy Birthday Songs, Vol. 21
Happy Birthday To You, Squashed Tomatoes and Stew
Happy Birthday Dear... Personalised Happy Birthday Songs, names, Vol. 24
Happy Birthday Dear... Personalised Happy Birthday Songs, names, Vol. 23
Happy Birthday Dear... Personalised Happy Birthday Songs, names, Vol. 25
Happy Birthday Dear... Personalised Happy Birthday Songs, names, Vol. 26
Happy Birthday Dear... Personalised Happy Birthday Songs, names, Vol. 27
Happy Birthday Dear... Personalised Happy Birthday Songs, names, Vol. 28