OpenTechnical

OT-2026-000008882

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000008882) never changes.

Identity and time

Publication numberOT-2026-000008882 · never reused
Internal UUID01a0ae6b-31b7-7032-8ca1-60eca5363a08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008882
StatusPUBLIC

Content hashes

Canonical textf149f95188cd94ed099fa71c67ed356073ab96e4400b51a56107771d50f649b1
Markdown66d9d3ef5f0cd02f907cb71530ca558ff31b4c37f8bb3a0248f675695f3f2927
PDF
Publication page027dd0b4df499b751370fefd5a5afc343292347f41c25cc063100904b9613af7
Manifest17950067e2cd214f7d8aa4293234c0ba485b545747371085031e821a62fbf69c

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
Signature4oSTXKT/ZVBZzCilHPV683CE3sYnoJgMKU5bzOG6DUfS4eiXpSr4cMyeht7uplL50xwJH2cTI5zI8KUDKLFzAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:28.685212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008882
observed 027dd0b4df499b751370fefd5a5afc34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.666456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008882/manifest.json
observed 17950067e2cd214f7d8aa4293234c0ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.648612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008882/publication.md
observed 66d9d3ef5f0cd02f907cb71530ca558f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.629966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008882/publication.txt
observed f149f95188cd94ed099fa71c67ed3560...
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.