OpenTechnical

OT-2026-000081124

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000081124) never changes.

Identity and time

Publication numberOT-2026-000081124 · never reused
Internal UUID01a0ae96-b977-752c-9777-63d29bfdb2fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081124
StatusPUBLIC

Content hashes

Canonical text95f1abff7d2954ead3c9ef664dc870d45fe6ef75925f845ff3e1d7f94b5b18a1
Markdownae465663046e951e13c02eaeeafd462cbe11fde2d1c4ae8e024d85eb96753912
PDF
Publication page7db567d9da7bdd3b800b1664106e870a082e60c6f510eb6f46f3462eefcc7d9c
Manifestdce4b6ead89e75128e66bd89c40ceeca1c0bdebde9361d276e93ae09153d70b3

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
Signature476X3wj2KdcwVLNQkwlol1eGwGGLIKX2Qwsdocva1MzxQC4aSSBtfuvRtSGy5IrCZ9zGRrP9/ZEiSpXedY9MAg==
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

2026-09-17T10:02:26.105960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081124
observed 7db567d9da7bdd3b800b1664106e870a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:26.090481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081124/manifest.json
observed dce4b6ead89e75128e66bd89c40ceeca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:26.074180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081124/publication.md
observed ae465663046e951e13c02eaeeafd462c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:26.056445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081124/publication.txt
observed 95f1abff7d2954ead3c9ef664dc870d4...
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.