OpenTechnical

OT-2026-000074942

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000074942) never changes.

Identity and time

Publication numberOT-2026-000074942 · never reused
Internal UUID01a0ae93-ac2d-7604-baf0-5c606ea706d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074942
StatusPUBLIC

Content hashes

Canonical texte83f60b8d75ccdc419367b58189f55ef7ea7d006a0a281c37d23dc9686667574
Markdown0acc995d358679da8c610da43964aef5096b946c2a524011f74de98317a19d29
PDF
Publication page0469e7ff1f1cc426be8314a3325580b7f9608564997163d1ea62138f1aca848e
Manifestb6582cd3cb2e3e0e7ec8195ff48bbad61ccb7c30e0aba2a9461202957004db65

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
SignatureNxcs4Aj+Zytt/+JkGpI7mp9yQ8Nc5/cKw3lBLhEnXMhJkBmZmvLf4zo5Zp0QEHU54Ot/xS97oG/Ys/WbxNnYDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:40.340185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074942
observed 0469e7ff1f1cc426be8314a3325580b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:40.323319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074942/manifest.json
observed b6582cd3cb2e3e0e7ec8195ff48bbad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:40.306317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074942/publication.md
observed 0acc995d358679da8c610da43964aef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:40.289832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074942/publication.txt
observed e83f60b8d75ccdc419367b58189f55ef...
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.