OpenTechnical

OT-2026-000100775

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000100775) never changes.

Identity and time

Publication numberOT-2026-000100775 · never reused
Internal UUID01a0aea3-66f4-76bf-8153-b3ad99b26922 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100775
StatusPUBLIC

Content hashes

Canonical text45b205f846435dffd6a581b31737b0a023403334523c16cb13048c35e8afa5c2
Markdownf7aa5ddbc1017924eb39c3278d6c3fe20fab175c46bf30be0db0ddef36b8eac2
PDF
Publication paged03e1686cc320ceb236c1308bb16641c6f143b94c87cf8db93184d622072e293
Manifest938f4d0491e55d03ad2adfc5baa8a53a34475fca0bfa5ee3c5240d667f0c0c91

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
SignatureF4DFBDHZ4nhoGoXPaVfSBOmUiw20QULuxi5mDRDOY/RSVQ2FcLeW+1/4/1G/stHPCgSqMpG5d260UEYWhj5fDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:36.980554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100775
observed d03e1686cc320ceb236c1308bb16641c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:36.963514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100775/manifest.json
observed 938f4d0491e55d03ad2adfc5baa8a53a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:36.945911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100775/publication.md
observed f7aa5ddbc1017924eb39c3278d6c3fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:36.928229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100775/publication.txt
observed 45b205f846435dffd6a581b31737b0a0...
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.