OpenTechnical

OT-2026-000002047

Publication integrity record

Clamp for retaining a piece to be worked and method for working a piece

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000002047) never changes.

Identity and time

Publication numberOT-2026-000002047 · never reused
Internal UUID01a0a67a-454d-70da-9fee-6251e225a98d · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:10:26.125620Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002047
StatusPUBLIC

Content hashes

Canonical text73fac5b0766ee13d904dc8cb2ed3cf44a5e90b1a8fdca96bcd7dd34b56d4ecfd
Markdown145b9b33fa21b963fb2ae1f8545198c21ef2001bfe5c2bc7c843e9b6dfe03291
PDF
Publication page3673fe413ca22967057fdc1b0a063066131190a93e50b6b2364cf16363a425f5
Manifestf606ad225e4d86e0c04483aadeaf62011ef88a91f7b92bdb7c5c0ce2824f1bb0

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signatures1DQmAJJRoX/Z0+uYbYnGrXC/rdcrGBUmvZJ+aEt8CZToN7tmy87detpbKC0Sf8lem/rZ+QZ7OKDyKCyRFxsDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-10-04T04:41:44.685783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002047
observed 3673fe413ca22967057fdc1b0a063066...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-04T04:41:44.618551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002047/manifest.json
observed f606ad225e4d86e0c04483aadeaf6201...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-04T04:41:44.547394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002047/publication.md
observed 145b9b33fa21b963fb2ae1f8545198c2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-04T04:41:44.426594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002047/publication.txt
observed 73fac5b0766ee13d904dc8cb2ed3cf44...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:23:16.517729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002047
observed 3673fe413ca22967057fdc1b0a063066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:16.503958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002047/manifest.json
observed f606ad225e4d86e0c04483aadeaf6201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:16.488084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002047/publication.md
observed 145b9b33fa21b963fb2ae1f8545198c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:16.471237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002047/publication.txt
observed 73fac5b0766ee13d904dc8cb2ed3cf44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent