OpenTechnical

OT-2026-000011546

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000011546) never changes.

Identity and time

Publication numberOT-2026-000011546 · never reused
Internal UUID01a0ae6c-88ff-773c-8f75-2f0478fc940f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011546
StatusPUBLIC

Content hashes

Canonical text313deb7e67e5bd78bdfed788eee321a7af8dcee6f272418a6a7c390d2bf425f0
Markdowncc36baf7af99596cda038d460d4b48a6044b9247b226a807f879285788cdaa99
PDF
Publication page90dcbe35ee6cb4f5fbd13942f86bdc4c68a0435941f9d681720916dd82990260
Manifest66332a02b06050cec1fea3f7579e7b5d1a09c4c67cdd5646664ca096d8d69b6c

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
SignatureCYez3ON8Tih300fsTov376rzIXvItM9TPuULiD1aDnxiOet+1RSGm2wuG1SU+YnZ2y09jLJ2Mjt8sPGV8q+cAg==
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

2026-09-17T12:13:26.426320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011546
observed 90dcbe35ee6cb4f5fbd13942f86bdc4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:26.407957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011546/manifest.json
observed 66332a02b06050cec1fea3f7579e7b5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:26.388798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011546/publication.md
observed cc36baf7af99596cda038d460d4b48a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:26.366130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011546/publication.txt
observed 313deb7e67e5bd78bdfed788eee321a7...
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.