OpenTechnical

OT-2026-000091379

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091379) never changes.

Identity and time

Publication numberOT-2026-000091379 · never reused
Internal UUID01a0ae9c-f16d-74df-9043-32059f2d16d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091379
StatusPUBLIC

Content hashes

Canonical textaf01a18fc29f01be0462cffe4e1019ffc8f324f2b17fa8b38e0a9d90d351093d
Markdown571fbc4d254c8a72762fa55b0122e75a4f8350fcbb0e631a49f9540564bea616
PDF
Publication page6f3095eb7352b13d44666604b52ccf1ee12e0e878bc5960f4b65ebc0e1191625
Manifesteb54c3012357e75ca9b78fed3fbea558494a046e39c335a193e309d6bfe935fe

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
SignatureQVuG7mBC3DeMa4F0pLc6GfTvb8LyCsdQOC67TI/dqRTXHH9apwhOpdqDl2MrlO4i/Q1GWY+ME5pZjojePz7UCw==
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

2026-09-17T09:43:36.012136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091379
observed 6f3095eb7352b13d44666604b52ccf1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.993224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091379/manifest.json
observed eb54c3012357e75ca9b78fed3fbea558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.975491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091379/publication.md
observed 571fbc4d254c8a72762fa55b0122e75a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.958684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091379/publication.txt
observed af01a18fc29f01be0462cffe4e1019ff...
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.