OpenTechnical

OT-2026-000074614

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000074614) never changes.

Identity and time

Publication numberOT-2026-000074614 · never reused
Internal UUID01a0ae93-ac2a-7262-896e-80dc337ffe24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074614
StatusPUBLIC

Content hashes

Canonical textc66e0e072c8345e77eda958d4248c6d2cfa5cd06c0c0f9fdca40eec9d37c3476
Markdown8bfb386dc98120e3b6b757aff9a273a521c19f4825508d37ac0cce32254658dc
PDF
Publication page30423f52596884e7c4b42b0b16ffc1fbd8248f86579cb74835243ecacce1bc44
Manifestd22e7569d7bcbb0a34699db2a8f4fdebe7438b2c75deb4befd28acf897f89b2b

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
SignaturekvXYZqwedBmRQ0VUrLVYIX1gjFzthrLdmeW/oiP5ZCZbKecy9BMwO3/la/riHtnObWb7y1cm/+TFDudqcwx9AA==
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

2026-09-17T10:18:08.259371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074614
observed 30423f52596884e7c4b42b0b16ffc1fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:08.239549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074614/manifest.json
observed d22e7569d7bcbb0a34699db2a8f4fdeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:08.220617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074614/publication.md
observed 8bfb386dc98120e3b6b757aff9a273a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:08.200217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074614/publication.txt
observed c66e0e072c8345e77eda958d4248c6d2...
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.