OpenTechnical

OT-2026-000072789

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three 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-2026-000072789) never changes.

Identity and time

Publication numberOT-2026-000072789 · never reused
Internal UUID01a0ae92-89da-7899-a7e1-cfd847bb400a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072789
StatusPUBLIC

Content hashes

Canonical text10ea2ffcf30ab7b0f228641be89fb1068649583c9787c6715bc0a93088ece939
Markdown958e4e8bbf9696dff6bd9229969f3dd21bf9c71df19f77c2163b87f4e9dbf391
PDF
Publication page0520bd72e44b82d244d2f52ae3ea0fb0c51f3fbfa90340e094401e76a5bfc5fd
Manifest6a47c7f4d75ea14967175d9568a1348061e988c12742478ac88dd448f040b798

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
SignatureYb6fDeBtV9iepCMXnV/CV5mkAkSK+5ErLBgvhRPlaqid6Nio5gMYSOMGj1Sa9OnCZkVOJxkt1QnxaMhgSHV7BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:42.042246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072789
observed 0520bd72e44b82d244d2f52ae3ea0fb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.024056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072789/manifest.json
observed 6a47c7f4d75ea14967175d9568a13480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.006674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072789/publication.md
observed 958e4e8bbf9696dff6bd9229969f3dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.990127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072789/publication.txt
observed 10ea2ffcf30ab7b0f228641be89fb106...
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.