Block #15

block	#15 of 39 (chain of 40 blocks)
sealed at	2026-09-05T18:53:51.449Z
kind	taxonomy
signed by	Stefania Overman (key 3391cebb120892c6)
block hash	`c88a4092dbc666ff68232ffc972294386d51dd9be82dd442379bed3ff03feb94`
previous hash	`b4e828fa4efa118445503cd689ae2ff0df464802329d3e176d8f63f01fff2dae`
public anchor	confirmed in Bitcoin block 966087, 966092, 966114 ✓ — statement · proof (.ots) · verify it yourself

This is the library’s own record; it lives on no third-party blockchain, by sealed covenant (no token, ever).

Verify it without trusting this page: download the raw chain and recompute every hash, or check the signed tip at /api/tip.

The public anchor stamps exactly (index, hash, sealedAt, and this page’s URL) into Bitcoin via OpenTimestamps — verify the proof with the open ots tool; no trust in this server needed. All anchors: /api/anchors.