OpenTechnical

OT-2026-000010978

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, vented 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-2026-000010978) never changes.

Identity and time

Publication numberOT-2026-000010978 · never reused
Internal UUID01a0ae6c-540e-71ad-b9b3-0b6baa6151b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010978
StatusPUBLIC

Content hashes

Canonical texteaef600d2cde7beaa97da3cc2a12976d4fca398568d0f5e17eee45417d9d573c
Markdown970012fb7bb445916ca4fd44fb183e87f09f488bee4b399a4abb182ff80653e9
PDF
Publication page1fb091c038356d876eca60addbd3a183bbff179385addfcab8bd807892646a53
Manifest2585b869f882cbbeeff9d02991f1e9a1612449d0afcd156c99b2a4f17530d55e

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
SignaturekGJugO9YItHeiWj2BTslMX4H5quJh/6QQOfGOKP3+Kmj1lqXWRCid0Tc/YIJQR4WlS6WXo0LczDvIPhdVlA2Aw==
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

2026-09-17T12:13:46.852107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010978
observed 1fb091c038356d876eca60addbd3a183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:46.829536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010978/manifest.json
observed 2585b869f882cbbeeff9d02991f1e9a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:46.807951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010978/publication.md
observed 970012fb7bb445916ca4fd44fb183e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:46.787000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010978/publication.txt
observed eaef600d2cde7beaa97da3cc2a12976d...
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.