OpenTechnical

OT-2026-000007846

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-2026-000007846) never changes.

Identity and time

Publication numberOT-2026-000007846 · never reused
Internal UUID01a0ae6a-908a-7c2e-b45d-30f30f06ae80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007846
StatusPUBLIC

Content hashes

Canonical text085238575d72839cfdc9d21d7bed8cfe950fcab94302975b44437b1dab498ded
Markdownd0bc3f2daa690553408089ecd1e84bcfe2ed7b9505cfc05461069736182c5f85
PDF
Publication page8002fbbb19460569888a02894797f3627e7e37c703f9063070263622e50a8aa4
Manifest276aefa459e6d1775af32284262957b53819ea60a8d8f05019b2b7a37e79a6ed

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
Signatures8u1KVmdWyvpLuoUJzyuDnN0ATCSGI3s3ToviaJEohzDdLTOgFtOcKM03ujLlyVsjHahUMOTO8Youh+upvWrAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:07.158574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007846
observed 8002fbbb19460569888a02894797f362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.139758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007846/manifest.json
observed 276aefa459e6d1775af32284262957b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.058017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007846/publication.md
observed d0bc3f2daa690553408089ecd1e84bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:06.995703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007846/publication.txt
observed 085238575d72839cfdc9d21d7bed8cfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.274603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007846
observed 8002fbbb19460569888a02894797f362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.254964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007846/manifest.json
observed 276aefa459e6d1775af32284262957b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.236375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007846/publication.md
observed d0bc3f2daa690553408089ecd1e84bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.185044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007846/publication.txt
observed 085238575d72839cfdc9d21d7bed8cfe...
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.