OpenTechnical

OT-2026-000041491

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000041491) never changes.

Identity and time

Publication numberOT-2026-000041491 · never reused
Internal UUID01a0ae79-b145-750d-8e4f-6c1f77c9c1b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041491
StatusPUBLIC

Content hashes

Canonical textcb3adf535782fdf88bd4020df641e0211deaf99e53ae70066b923fd91f967de3
Markdown89831a97b41bfbb6d2931313b26b896c05e990d6fb739c7fea7beb4d049bee25
PDF
Publication page7d1d0db2f4451fa2b3fc782a22ac78de178638e00f6e78b1d7664921d68f856f
Manifest62abc2e4050a206f189d4cce091fd4742480336b9d64725121c62921a8a5b981

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
SignatureN6nnM09h7aBORwTIhalCVMRwqK88Ac1OVgMr69NrYOXNsf6f+M4SrEbNF3MnhF9e+pwgns6WAWbdLc01Vx7EAg==
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

2026-09-17T11:17:31.557698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041491
observed 7d1d0db2f4451fa2b3fc782a22ac78de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:31.538281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041491/manifest.json
observed 62abc2e4050a206f189d4cce091fd474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:31.519458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041491/publication.md
observed 89831a97b41bfbb6d2931313b26b896c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:31.501926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041491/publication.txt
observed cb3adf535782fdf88bd4020df641e021...
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.