OpenTechnical

OT-2026-000039269

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000039269) never changes.

Identity and time

Publication numberOT-2026-000039269 · never reused
Internal UUID01a0ae78-9674-7b6b-ab04-e9b4212ac1d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039269
StatusPUBLIC

Content hashes

Canonical text0d9a787a5575bbc5c0ca11c7cb90dfe98d090a895209f13ddb4d9ae3f4d0b109
Markdown478fd4b44a56f7645cd913b7bdd461ac3ba3e81bec19a67877e05f746af4e34d
PDF
Publication pagebc6f0df71766e52b3c5fd392783aed10c3499f4f2054c6424b5342206a0dc726
Manifest43a55e0a984f11c69b26a6b1347839d60ec52206cc616d9047a87bffee117e10

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
SignatureUWd4fQcdnthx6V1FhQccmomqnJ53BK81GTLWZWT/Oc8ZVKOCEJsInRhDyU5kAZDYHE8ruYRDspudcz2z2x+TDA==
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

2026-09-17T11:20:50.186619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039269
observed bc6f0df71766e52b3c5fd392783aed10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:50.167408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039269/manifest.json
observed 43a55e0a984f11c69b26a6b1347839d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:50.147001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039269/publication.md
observed 478fd4b44a56f7645cd913b7bdd461ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:50.128380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039269/publication.txt
observed 0d9a787a5575bbc5c0ca11c7cb90dfe9...
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.