OpenTechnical

OT-2026-000076186

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000076186) never changes.

Identity and time

Publication numberOT-2026-000076186 · never reused
Internal UUID01a0ae94-6a6f-7377-932f-375871a8e730 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076186
StatusPUBLIC

Content hashes

Canonical text3964074a65cb3ccde3cc91cfc3d403f217fd5d522755691581d26602892cfd7e
Markdowna21a38ef2c08f6cadf1fdd58015cff929d1a876c137bac71ca37c7a75d8d36e0
PDF
Publication page046b8abdc7c08382530bdafd789eace13f07aaa47458c546720019b09428267e
Manifestb857b07a1121dd0643c511a3e9f799ffb1906ec39f785b573e23f333ea18ad9e

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
Signature6lspkfOoDCRpPXwh5xyeScQb2b/NT+5C/7QtMaDm4lO9xMRXRsZg/DmfrolkMhUeo8OQEcML8018eNUiylzkBw==
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

2026-09-17T10:11:29.743779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076186
observed 046b8abdc7c08382530bdafd789eace1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:29.726210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076186/manifest.json
observed b857b07a1121dd0643c511a3e9f799ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:29.708109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076186/publication.md
observed a21a38ef2c08f6cadf1fdd58015cff92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:29.688649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076186/publication.txt
observed 3964074a65cb3ccde3cc91cfc3d403f2...
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.