OpenTechnical

OT-2026-000057141

Publication integrity record

Three cup vacuum gripper, three 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-2026-000057141) never changes.

Identity and time

Publication numberOT-2026-000057141 · never reused
Internal UUID01a0ae87-d5b9-7a29-a0b7-609bc4ba276d · 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-2026-000057141
StatusPUBLIC

Content hashes

Canonical textfb398e2ebe6eba6228416057f2aff963f0720e52907981589786f12aba925cc9
Markdown5cc22d81feab9bbcebcd0d03593e2378fb2135dd520eabfb6396161e59ebaf29
PDF
Publication page9cb5f01c137049c34ebaf69e473ec78b538b44428b02cf98b43420fdb071e261
Manifest9fae55efb3c4c27dc940fa6a09e8f5aee5f95a8998779ae173a450f790d04ee4

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
Signature7XNLpwX/7Y0Uh93PnW5Oh3lkpgn/6Y6WyycfWroVfS+xXXIqalh3G1jP67q5LgS2HGpbesoyO75lXJVizp44CQ==
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

2026-09-17T10:50:07.453541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057141
observed 9cb5f01c137049c34ebaf69e473ec78b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:07.435546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057141/manifest.json
observed 9fae55efb3c4c27dc940fa6a09e8f5ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:07.416992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057141/publication.md
observed 5cc22d81feab9bbcebcd0d03593e2378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:07.397811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057141/publication.txt
observed fb398e2ebe6eba6228416057f2aff963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.039387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057141
observed 9cb5f01c137049c34ebaf69e473ec78b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.022639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057141/manifest.json
observed 9fae55efb3c4c27dc940fa6a09e8f5ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.005355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057141/publication.md
observed 5cc22d81feab9bbcebcd0d03593e2378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:15.987969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057141/publication.txt
observed fb398e2ebe6eba6228416057f2aff963...
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.