OpenTechnical

OT-2026-000077697

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000077697) never changes.

Identity and time

Publication numberOT-2026-000077697 · never reused
Internal UUID01a0ae95-2ecf-7dc4-9da9-0480a0579bab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077697
StatusPUBLIC

Content hashes

Canonical text9ac1f35f3271070f1362219e6f2ea65c9569b40e51d097c8a8cde86ee8b55ce7
Markdown884182f67e437cde56a13442b0c74f041532ecd28e2a9d066ddd9d7825027024
PDF
Publication page2f1b2304566656fa5bb3989933dcbc95bbf17fb4095886eafbef67e060ac7340
Manifest54e940f39b208b5a5181c415014a84a246978450104f1053455f551f07d06428

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
Signatureg5kjYQynYC+Hvb+4ee5XUbPmOfkC5exziSmepnV8rgQ+ElYHahAbxuz7E1R1rTK6US3KOqrTVAr4gKIFAN4cAA==
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

2026-09-17T10:07:16.219910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077697
observed 2f1b2304566656fa5bb3989933dcbc95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.201391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077697/manifest.json
observed 54e940f39b208b5a5181c415014a84a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.183086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077697/publication.md
observed 884182f67e437cde56a13442b0c74f04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.164933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077697/publication.txt
observed 9ac1f35f3271070f1362219e6f2ea65c...
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.