OpenTechnical

OT-2026-000074585

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold 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-2026-000074585) never changes.

Identity and time

Publication numberOT-2026-000074585 · never reused
Internal UUID01a0ae93-717b-7ebc-98f8-c6bdfd94ad4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074585
StatusPUBLIC

Content hashes

Canonical text68420f897b37143f8c60ae29b78b2befc9dad48b0969c0cb3b49ca92ce4fdda3
Markdown52941146eefb0e12b08f5bd4519592a0496db5954bb6c9ca15b9c9c2c2b89876
PDF
Publication pagefea05b025c88de07e1cb4d8ca9af67d8a178e333879a9c2ca36995038aee7c4d
Manifest4181a47f9268a840c4ff43a1f8114a1e199a7a727774550f9886ff68ec429699

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
Signature+X368uAd7WWMEJDs3a2IYPsnxdpbWCa2kuTS3/kc4Iehz++NS7N98hMgXpp2t6f1lUOTp9o/ceo3hDLZ+VIwDg==
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

2026-09-17T10:19:36.388463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074585
observed fea05b025c88de07e1cb4d8ca9af67d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:36.369838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074585/manifest.json
observed 4181a47f9268a840c4ff43a1f8114a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:36.349789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074585/publication.md
observed 52941146eefb0e12b08f5bd4519592a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:36.333662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074585/publication.txt
observed 68420f897b37143f8c60ae29b78b2bef...
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.