OpenTechnical

OT-2026-000053367

Publication integrity record

Four cup 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-2026-000053367) never changes.

Identity and time

Publication numberOT-2026-000053367 · never reused
Internal UUID01a0ae85-0a8f-70fd-a725-e65dd1db5195 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053367
StatusPUBLIC

Content hashes

Canonical textc6f3751113f6bed33332d7c71c79020c77c6068e90396e9144a147a99747a905
Markdowna3ec5c4ee6cbd6681bc001936150ca0c1a316709042a713e78c864da5f0158a8
PDF
Publication pagebf5b6e476dfad50b69ea9e6adba00a1a1b83b859b2230fcfa7315379cb9f2790
Manifest99e7310361649ff464fd650493382f5cbda5588b14f01a7c8ac8e6ce443a2689

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
Signature2twOp92+DLkdoubmyy7wrHKS0RHeHoN+7nliLHG03rdPO2999gHgrZK/geIYCVQ04vMSD2+OIM8pe8qgmp7QAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:05.067985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053367
observed bf5b6e476dfad50b69ea9e6adba00a1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:05.049666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053367/manifest.json
observed 99e7310361649ff464fd650493382f5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:04.953784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053367/publication.md
observed a3ec5c4ee6cbd6681bc001936150ca0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:04.917872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053367/publication.txt
observed c6f3751113f6bed33332d7c71c79020c...
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.