OpenTechnical

OT-2026-000010854

Publication integrity record

Permanent magnet gripper, stripped after set-down, on a tool changer

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-2026-000010854) never changes.

Identity and time

Publication numberOT-2026-000010854 · never reused
Internal UUID01a0ae6c-540d-70a4-8d5f-174fcf5b1864 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010854
StatusPUBLIC

Content hashes

Canonical texta2c54d0199f0ac0c167a7d7a234d92303fece7e4a7e679121cd98eaf240ac7ad
Markdownc42ab58e2d3eb3a8e19cd2f2c1a116953c8f38997f7ea343a1618329ffabe3d0
PDF
Publication pageda0e15a0ba025a7a1bda8c57550cee925c08c98f0be88ecadc6717a9dab15b02
Manifest535db813b4220b650959be99a753d0ebe8a6d913af721ccf72bd9629ded73faf

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
Signaturec9Hp0kBCkZaLCVyabkUtBZUlCsE3scwhu7ahBUVUzd8bhHSuZpLVeqINa7XxR5v7cCKB6ti10ZNU8J6JfjQWDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:36.808924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010854
observed da0e15a0ba025a7a1bda8c57550cee92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:36.789564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010854/manifest.json
observed 535db813b4220b650959be99a753d0eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:36.770984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010854/publication.md
observed c42ab58e2d3eb3a8e19cd2f2c1a11695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:36.752201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010854/publication.txt
observed a2c54d0199f0ac0c167a7d7a234d9230...
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

Custody packagePending Custody packages are produced weekly.