OpenTechnical

OT-2026-000087035

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000087035) never changes.

Identity and time

Publication numberOT-2026-000087035 · never reused
Internal UUID01a0ae9a-9f2d-711b-bb99-afef20b20112 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087035
StatusPUBLIC

Content hashes

Canonical text79d553bce642928d51ca0b0e1ccbdc7006591b5fa6e6760dd53ee8d0584c6783
Markdowna51554a790d0b7dad2b650b96e3d288d4e490efcc0d3d828e412ba4faee4911d
PDF
Publication page179144a29652689691bdbfb1f0419578c96c5dea3feaa95222177142d3d6bb42
Manifest427bf8b1a36aa18cc654a7cea065b10ea605b488653deac714a176391893b039

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
SignatureR1oBAmODMq32Fg9U+tg5JnPng1Pzb/IbRp7uBTDNTb7IN0AgPgK6pTbHBZIEG8XsPhCqVSau5qe3svGGnKpCAw==
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

2026-09-17T09:51:16.758863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087035
observed 179144a29652689691bdbfb1f0419578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:16.742678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087035/manifest.json
observed 427bf8b1a36aa18cc654a7cea065b10e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:16.725252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087035/publication.md
observed a51554a790d0b7dad2b650b96e3d288d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:16.709000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087035/publication.txt
observed 79d553bce642928d51ca0b0e1ccbdc70...
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.