OpenTechnical

OT-2026-000089395

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000089395) never changes.

Identity and time

Publication numberOT-2026-000089395 · never reused
Internal UUID01a0ae9b-db01-7f2d-9d2b-6fb6516dd6b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089395
StatusPUBLIC

Content hashes

Canonical texte7c0eba3dce2305524040be9b6605726017b7055fca1f02bb33783a7df9f3031
Markdownfcd7fbe596f6541e646dca1a9ba0664c695e4bdd7f6b506d82fbdc47f668f0a8
PDF
Publication pagecc2b56e7bcdf939eea7020dea767ab9253b98259160a0acddfc3e1330525a824
Manifest8b3f83c1f97b42c2e12c373f859bbc9488e942b9cf17412927319e66cdcb22e9

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
SignatureTQec8/HeXiNbxhYB/E+Vnueoo5QD6D0FikOAEsgcqO0P8uqAS99jbhG7fjwHn/Air2t8d+y28+vDJ7HXU0RHAg==
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

2026-09-17T09:47:32.052901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089395
observed cc2b56e7bcdf939eea7020dea767ab92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.036749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089395/manifest.json
observed 8b3f83c1f97b42c2e12c373f859bbc94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.019094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089395/publication.md
observed fcd7fbe596f6541e646dca1a9ba0664c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.001358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089395/publication.txt
observed e7c0eba3dce2305524040be9b6605726...
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.