OpenTechnical

OT-2026-000069886

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, vented before 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-2026-000069886) never changes.

Identity and time

Publication numberOT-2026-000069886 · never reused
Internal UUID01a0ae91-1860-7968-b7f6-1b0513123b1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069886
StatusPUBLIC

Content hashes

Canonical text9b4895fd25366ab1bc95cbd4f086f4bb8a1cd23da90352999b55978bdfe1e7ce
Markdown6fd520b07717063387592e287f2cf5489dad35cabdb08bd800198280a9a45d1c
PDF
Publication page24232aa33ffbcf386447b3285b9d3c10b39a6f0f1ea2d3834c0acc75c75e797e
Manifest2f13d8a54a8f98296bc71332aecdfd305a7fecb2010bb0d00bc3f95ffb6f72c6

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
SignaturepTi3aSTONUcatbgkbkFFRAQ3aBlc/w2S/ymQOrSY+tX1UjzdEELZQyfmr2mTfv40Shz5R6hWvKbC7OUSxkk9DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:43.082387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069886
observed 24232aa33ffbcf386447b3285b9d3c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.065112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069886/manifest.json
observed 2f13d8a54a8f98296bc71332aecdfd30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.046993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069886/publication.md
observed 6fd520b07717063387592e287f2cf548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.025574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069886/publication.txt
observed 9b4895fd25366ab1bc95cbd4f086f4bb...
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.