OpenTechnical

OT-2026-000033630

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000033630) never changes.

Identity and time

Publication numberOT-2026-000033630 · never reused
Internal UUID01a0ae75-a38f-7983-b411-de8d43ef68c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033630
StatusPUBLIC

Content hashes

Canonical textc01caf48a0d2d59f0b5d79954545b19de41d82ed3360bb600659fe780db4e604
Markdown93cf753d91ae601ccb1f37bd1d0d74522e3aed4b9f893047bf824de8e67eccdf
PDF
Publication pagec308bcbf9c37f3433b958ffb3c831e480ff948c2081415475771eaa77cb82d40
Manifestbc2d9f551482f096c498e132785fe3821676a2b1e47d9a56af2f348099339131

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
Signature9craerKIXm00B7OII1Er3vyRPz8/pHyJi0jJwlZgzdVEjZllr33tGqjxs7tsaIEU7TLzWhuiRQpCEFIyN3vvBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:36.577595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033630
observed c308bcbf9c37f3433b958ffb3c831e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.559271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033630/manifest.json
observed bc2d9f551482f096c498e132785fe382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.542958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033630/publication.md
observed 93cf753d91ae601ccb1f37bd1d0d7452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.522256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033630/publication.txt
observed c01caf48a0d2d59f0b5d79954545b19d...
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.