OpenTechnical

OT-2026-000101766

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pulsed blow-off after 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-2026-000101766) never changes.

Identity and time

Publication numberOT-2026-000101766 · never reused
Internal UUID01a0aea4-0e17-79b0-bf3d-e8469cba2430 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101766
StatusPUBLIC

Content hashes

Canonical text031fd17cd7c7a4382ab79b0e4338c79bfdc05c439c39f8132505fa588bbdedde
Markdownb15b7f9c1b36784b6b57c60c234eadf56b547b9bbf6b76ada6e5757fdc268286
PDF
Publication page7da522247471b0d7e0e3e99dd3ec55fde70171fdbd4f7bfa17dd5c2d0d1251e5
Manifest5e6acb610be206b6e3f6f91c875bf472a312c2fe99c9abcb035934bef63b5dff

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
Signaturev8Z4mYXwdNoso/6VNZ18r0RSsdPacI3CwOk+LUu9iHkSFJtz58YHR1p12hBYVpmNWMsTrNdsRPCDJef+tksgDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:15.458987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101766
observed 7da522247471b0d7e0e3e99dd3ec55fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:15.442006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101766/manifest.json
observed 5e6acb610be206b6e3f6f91c875bf472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:15.424601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101766/publication.md
observed b15b7f9c1b36784b6b57c60c234eadf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:15.408187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101766/publication.txt
observed 031fd17cd7c7a4382ab79b0e4338c79b...
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.