OpenTechnical

OT-2026-000071507

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000071507) never changes.

Identity and time

Publication numberOT-2026-000071507 · never reused
Internal UUID01a0ae91-e0ee-70f7-bce9-fe233fac4ae5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071507
StatusPUBLIC

Content hashes

Canonical text9bda91e30f18a2866d1c99395f2dc8e93af78fa7ab4b8930c8ed89d8051765a6
Markdown63122191b1c46cc97c98b7807455dfea169b0e3ff45357a7d216fadb5ba78fff
PDF
Publication pageb1a5e6434518252baf70c64b93e9071b779ba2e597401af65713b4b3520861a1
Manifest71ec2aa5781a899e181a123ea5ad37b8b35ea4a24c289da11bc790012bcc799f

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
SignatureQgtYOMmm4UdhK/7IVd9G/13+n9torhCxXotnKrISQ7s2xgljrl2FGso7JlO/yt9+pX/k4ujlwW/bVg9Dkae6Aw==
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

2026-09-17T10:25:09.148679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071507
observed b1a5e6434518252baf70c64b93e9071b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.131265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071507/manifest.json
observed 71ec2aa5781a899e181a123ea5ad37b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.113980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071507/publication.md
observed 63122191b1c46cc97c98b7807455dfea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.095903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071507/publication.txt
observed 9bda91e30f18a2866d1c99395f2dc8e9...
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.