OpenTechnical

OT-2026-000034587

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, supply line 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-2026-000034587) never changes.

Identity and time

Publication numberOT-2026-000034587 · never reused
Internal UUID01a0ae76-1ed0-7c12-b32e-4773ba9cd800 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034587
StatusPUBLIC

Content hashes

Canonical text6ef3bd9a7e3571e0dda9701e38725bfc0d649b86ea74b7dc7ae663320e4b4362
Markdownbc4834a561caf21e77254f4eb4cc4b8facb563f7f13277b8c27fe5aca7d4db73
PDF
Publication page972973a4af51b9add3fd90caf60ebfe4a9c976a715c8a86ec6f5c8eebe39c314
Manifest27cd86609baa6a0a7e5f8eb94457bcbd16a58cc4e9565a3820bf90d4baf6c16b

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
SignatureAUeTCG+mL11IRo483hL7mOD5HkTZJFzg40GfmY+5XjygES2GA0tePF+xay59DpVp94txPDOHWsvfi2h9LfToCQ==
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

2026-09-17T11:28:57.713052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034587
observed 972973a4af51b9add3fd90caf60ebfe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:57.693933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034587/manifest.json
observed 27cd86609baa6a0a7e5f8eb94457bcbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:57.675371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034587/publication.md
observed bc4834a561caf21e77254f4eb4cc4b8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:57.657225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034587/publication.txt
observed 6ef3bd9a7e3571e0dda9701e38725bfc...
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.