OpenTechnical

OT-2026-000057037

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before set-down

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-2026-000057037) never changes.

Identity and time

Publication numberOT-2026-000057037 · never reused
Internal UUID01a0ae87-d5b6-7433-bdf0-3b4141add5a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057037
StatusPUBLIC

Content hashes

Canonical text38ec52e717cc6d76df89ed684248caa02e6c959d380f9040da1dd62b036e957e
Markdownad9ef64ac0ce1565bcc2d52995421da5b67df08433bded5a03741d8219479a7e
PDF
Publication page7c321eb8da7f1d548788279942e3ede706f470a6508b36af49887345517ed6dd
Manifestbf7d5267e1c1d709b08967b7405e172be63ff024f26d976f84953ede73f0b8e6

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
SignaturedAOaxmAJAGF/AQtP1j00G6hp1JduRlUC7IQOeLY1dSaNCGL0QbLZu5eBpJl3OZDeVNnnCjQ5fEeAoUZNkBESAw==
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

2026-09-17T10:48:31.174560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057037
observed 7c321eb8da7f1d548788279942e3ede7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.157140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057037/manifest.json
observed bf7d5267e1c1d709b08967b7405e172b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.139758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057037/publication.md
observed ad9ef64ac0ce1565bcc2d52995421da5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.121245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057037/publication.txt
observed 38ec52e717cc6d76df89ed684248caa0...
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.