OpenTechnical

OT-2026-000097233

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line 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-2026-000097233) never changes.

Identity and time

Publication numberOT-2026-000097233 · never reused
Internal UUID01a0aea1-01ca-7f88-b1d8-3b5675eb36f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097233
StatusPUBLIC

Content hashes

Canonical textb58a3a3b8fca81e648300c623ef5da14bc8572b6bd0e881f5e0e4ef552a51aa4
Markdown1db12ad9a173ebd6034553c60d2579f6125f645499b10f9b68162a269a6cb121
PDF
Publication page758017a21270e891f5d9bafb33c173415542f308f0276921dd92fdc35511b8df
Manifest2ec46c7b5d562fe0988525cf94b3bcc3a3209012cebfeedf00dd6cea8d2d66b7

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
SignaturecrDA+DrJPYwfYgbb2bA+Mfn2dXFKFLfYLn5JgmFaUZWDEz2qFF+YdWKk6QM1lWGM4lVHmEk3dEGWssTgzLHoDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:28.952297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097233
observed 758017a21270e891f5d9bafb33c17341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.936029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097233/manifest.json
observed 2ec46c7b5d562fe0988525cf94b3bcc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.919525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097233/publication.md
observed 1db12ad9a173ebd6034553c60d2579f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.904081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097233/publication.txt
observed b58a3a3b8fca81e648300c623ef5da14...
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.