OpenTechnical

OT-2026-000008212

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump 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-2026-000008212) never changes.

Identity and time

Publication numberOT-2026-000008212 · never reused
Internal UUID01a0ae6a-908d-75b6-824e-1c0e1776f939 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008212
StatusPUBLIC

Content hashes

Canonical text5eaf0bc2627adaab5331978f7f133e4216f37cf750e78a09b2243389035a78cf
Markdownfaea4f4e06183443ac77b83a8d41a8d58c5b3113c6dafe508b719051b414274f
PDF
Publication pageff9f009ab5ea414438217409bdd02602f45b9ab6592a6d01ff6f24d2a8b995d0
Manifestdb393da70507700027affdd70c70182f94e0ce07985b3fbdc55b892bf3fb9e24

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
SignaturePsB2R4pwGMDOIl5tqQkKLvL35fSC9ZlAJAe0QuKn5Y/dT8otyNERrhTfChB7hrjIh1UsdzdpgqATtt/CFCajBw==
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

2026-09-17T12:20:37.448164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008212
observed ff9f009ab5ea414438217409bdd02602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.429645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008212/manifest.json
observed db393da70507700027affdd70c70182f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.412411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008212/publication.md
observed faea4f4e06183443ac77b83a8d41a8d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.393907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008212/publication.txt
observed 5eaf0bc2627adaab5331978f7f133e42...
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.