OpenTechnical

OT-2026-000074337

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000074337) never changes.

Identity and time

Publication numberOT-2026-000074337 · never reused
Internal UUID01a0ae93-7179-71d8-a6cc-b157ae2d602b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074337
StatusPUBLIC

Content hashes

Canonical text83f73c183740903fa387f7e4d8e01fd18b61c50352dc68f03bd442cc22a366f3
Markdown1c5eae945fb9eab99ab2044da7e707f60400b95af375b92073b0971a8a3450f6
PDF
Publication pagebc34467777970e3b3d65081f0f085d9602cf76c8a2a9d2abcc76c2220d6213ad
Manifest8da3cd2e50b5a6e656b7319c1162cbfc638ab0640506f897b22a3c49e0d6e715

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
SignatureDK/3Z3idLiaXBsLFJn1a4sE4jgNLlk3TibOA1oxu+y9WQY/bPJ9GZgttsE6KDZv18BrSrFASY5Yy3B+i9IzNAw==
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

2026-09-17T10:19:15.467424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074337
observed bc34467777970e3b3d65081f0f085d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.450062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074337/manifest.json
observed 8da3cd2e50b5a6e656b7319c1162cbfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.431155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074337/publication.md
observed 1c5eae945fb9eab99ab2044da7e707f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.412975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074337/publication.txt
observed 83f73c183740903fa387f7e4d8e01fd1...
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.