OpenTechnical

OT-2026-000049846

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000049846) never changes.

Identity and time

Publication numberOT-2026-000049846 · never reused
Internal UUID01a0ae81-8ff0-7076-bb6e-c26039fa2997 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049846
StatusPUBLIC

Content hashes

Canonical text3b55abab2fee0a1343ddf25946346bb0655a1492aa4ec47da483686d349a707e
Markdownd6b931a15e3cc5f05b1fe283edcd192c681b9434a3dbe73c28e1a6492ffed56b
PDF
Publication page9170c508e79d9eb2caebcb0c11593c8e3e8cd3b7fc0957c92df4c7e08df5e99d
Manifestd576670f18eaecae6c7d6447bfe3658cbfc3582b8135960ec47142ffbe96e913

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
SignaturezxCQ9FhCnVrksJSXciHVYA1jJZMxz3O1NXNRvqfU2iYXyY4roMS550e2vWNcrJmkIeGIsv7qM17P1ECRDldmBw==
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

2026-09-17T11:02:59.245994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049846
observed 9170c508e79d9eb2caebcb0c11593c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:59.228072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049846/manifest.json
observed d576670f18eaecae6c7d6447bfe3658c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:59.210034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049846/publication.md
observed d6b931a15e3cc5f05b1fe283edcd192c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:59.190053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049846/publication.txt
observed 3b55abab2fee0a1343ddf25946346bb0...
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.