OpenTechnical

OT-2026-000085049

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, sustained 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-2026-000085049) never changes.

Identity and time

Publication numberOT-2026-000085049 · never reused
Internal UUID01a0ae99-43b8-75a8-90e7-41e7d434c43b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085049
StatusPUBLIC

Content hashes

Canonical text13b5d6ddc76d27c92b5d684037068e1564a85c2a45dcc6ffc1bf122bcb28611a
Markdown548afb02514be607aa2f717eb381882dbbf54c4ebbc6c4a95c5d7dbab59ac1d4
PDF
Publication page4e1c476d3cf6358e30b08040ecd149023f067d4fe0ff4ea23d303ffea8d8e778
Manifest2416bbaac9fc8086d21e3b4bbb5ebb04445a8ab2daac963cf484111e7954647a

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
SignaturexoMdO1b1c1F6NLRgzb2gf/MdrKdswo52Ufwvj7Vz6wf1iYC85gTfsFx9yazvUijSR9Zaw0id63gMJrBNzGXjDQ==
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

2026-09-17T09:55:04.083839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085049
observed 4e1c476d3cf6358e30b08040ecd14902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:04.066894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085049/manifest.json
observed 2416bbaac9fc8086d21e3b4bbb5ebb04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:04.049413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085049/publication.md
observed 548afb02514be607aa2f717eb381882d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:04.033238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085049/publication.txt
observed 13b5d6ddc76d27c92b5d684037068e15...
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.