{"ok":true,"anchors":[{"id":6,"head":"f35b2a42acd46d44c7053b488beb43d08e25440156929e99e6d5d9a31ec3afa0","count":27,"calendar":"https://alice.btc.calendar.opentimestamps.org","at":"2026-09-12T08:08:42.013Z","error":null,"bytes":172},{"id":5,"head":"f35b2a42acd46d44c7053b488beb43d08e25440156929e99e6d5d9a31ec3afa0","count":27,"calendar":"https://a.pool.opentimestamps.org","at":"2026-09-12T08:08:39.998Z","error":null,"bytes":172},{"id":4,"head":"ab6842d36a2116adef27e83e10c35796340c8ea5bc14e62a0a910dfe1f347647","count":19,"calendar":"https://alice.btc.calendar.opentimestamps.org","at":"2026-09-12T08:06:40.749Z","error":null,"bytes":207},{"id":3,"head":"ab6842d36a2116adef27e83e10c35796340c8ea5bc14e62a0a910dfe1f347647","count":19,"calendar":"https://a.pool.opentimestamps.org","at":"2026-09-12T08:06:38.755Z","error":null,"bytes":172},{"id":2,"head":"ead9bff2c568804fa7bbc475231121382dc0bf721ddd8c470e2e670c9c578c07","count":7,"calendar":"https://alice.btc.calendar.opentimestamps.org","at":"2026-09-12T07:47:26.170Z","error":null,"bytes":207},{"id":1,"head":"ead9bff2c568804fa7bbc475231121382dc0bf721ddd8c470e2e670c9c578c07","count":7,"calendar":"https://a.pool.opentimestamps.org","at":"2026-09-12T07:47:24.155Z","error":null,"bytes":172}],"how":"헤드 해시(sha256 원문)를 .ots 증명과 함께 `ots verify` 로 검증합니다. 비트코인 블록 확정 뒤에는 `ots upgrade` 로 완전한 증명이 됩니다."}