OpenTechnical

OT-2026-000056386

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000056386) never changes.

Identity and time

Publication numberOT-2026-000056386 · never reused
Internal UUID01a0ae87-4bd2-70ef-8421-5324844990ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056386
StatusPUBLIC

Content hashes

Canonical text5081bc658f3853cd16d589edee07364b0555f3eaca473a30bada43116de92ca7
Markdownf032bc9915b522f268a2c2bc9c3c78605523a2c95d83683382510d0c51a7eb08
PDF
Publication page600cb0e8232c3e323915ffd9d21ec80d070a808fae6fd2e35e245aa074277be2
Manifest0c5a64fa193a3c76540f50e714412d68c55b4e8cf4e937763a59c5af0bbbfd1d

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
SignatureWjLM95kUFLsiBDVr0vUy3s56mjKXd5448Dr1XGBSfOGkiI3syytSPWOGgA3y2K7VjDWY9uLlKEKot3zgR6m5DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:54.626095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056386
observed 600cb0e8232c3e323915ffd9d21ec80d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:54.609645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056386/manifest.json
observed 0c5a64fa193a3c76540f50e714412d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:54.593042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056386/publication.md
observed f032bc9915b522f268a2c2bc9c3c7860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:54.573838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056386/publication.txt
observed 5081bc658f3853cd16d589edee07364b...
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.