OpenTechnical

OT-2026-000071180

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000071180) never changes.

Identity and time

Publication numberOT-2026-000071180 · never reused
Internal UUID01a0ae91-e0eb-7d5f-b862-327021e77f4a · 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-2026-000071180
StatusPUBLIC

Content hashes

Canonical text889eae63b69732bcad700a08500cda60ba6890dc1dd53a675199d24a2b6deecc
Markdown28a38add10c5bb26e0d7eb6e0cc8de5b3f1eba81c5ca594cdbcc0189fdf7f3b2
PDF
Publication page27513f50400a72f21922a13ebdf27df969368849c147e053459de5fbf4edb75a
Manifest01d7460cfa3f720e386252cdaf0ea8fe12f16ac39e2d0e9df876ecd91bbe4ba5

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
SignaturevjItL7TdG/xEgotCQ8vxc8RZrTvw7H99W4+uwN2HjywhXvbFCBRAkXD4JtOrtrKyEo30NchaZGzQ1XYYxODpAQ==
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

2026-09-17T10:24:41.633554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071180
observed 27513f50400a72f21922a13ebdf27df9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.615683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071180/manifest.json
observed 01d7460cfa3f720e386252cdaf0ea8fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.597190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071180/publication.md
observed 28a38add10c5bb26e0d7eb6e0cc8de5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:41.578576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071180/publication.txt
observed 889eae63b69732bcad700a08500cda60...
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.