OpenTechnical

OT-2026-000034909

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000034909) never changes.

Identity and time

Publication numberOT-2026-000034909 · never reused
Internal UUID01a0ae76-1ed3-7d8e-82a3-d1411eb12efa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034909
StatusPUBLIC

Content hashes

Canonical textb8b67d761020370a67df450b8ddb5e692eb1e84e24bad01bb32e7cca6107b8d2
Markdown2720f20fbee89c02b7062bbb7f626f003cc0f4ccc251f59bf18a9b7726c75af5
PDF
Publication pagea0c1a09cab15f1d9462a9e6408db7998292bf34d94fdca2b3a30a80c64d3924b
Manifesta1dda505df7b8bb9064ec27c0d670195e449d49f3084bb6484d93a6aa92828b8

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
SignaturenQN6F1EJksJzy7/bHCfQEHklJLqVcd9OErlBrBG1yMh2xLW+UvMA2tsIfFy3X5e2nA6KU8vqjvM6/0z212E+Dw==
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

2026-09-17T11:30:34.337616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034909
observed a0c1a09cab15f1d9462a9e6408db7998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:34.321163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034909/manifest.json
observed a1dda505df7b8bb9064ec27c0d670195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:34.303558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034909/publication.md
observed 2720f20fbee89c02b7062bbb7f626f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:34.284570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034909/publication.txt
observed b8b67d761020370a67df450b8ddb5e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:55.223085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034909
observed a0c1a09cab15f1d9462a9e6408db7998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:55.198841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034909/manifest.json
observed a1dda505df7b8bb9064ec27c0d670195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:55.173770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034909/publication.md
observed 2720f20fbee89c02b7062bbb7f626f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:55.156170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034909/publication.txt
observed b8b67d761020370a67df450b8ddb5e69...
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.