OpenTechnical

OT-2026-000083478

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000083478) never changes.

Identity and time

Publication numberOT-2026-000083478 · never reused
Internal UUID01a0ae97-c965-73c7-a367-ba5f869e0dd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083478
StatusPUBLIC

Content hashes

Canonical text8d923e1c56a7d72d1d4ff26cb630dc10dcd08eef861db03b5e4947a29f0e5e13
Markdownc677de1ade3bcade1392ae83594b49f0528376b97981a8c7404f66479639aa0e
PDF
Publication page20b05ac4c0497f3d1eacf818e9404962ef37b640c54a39d428eeec2ad66d8837
Manifestbdb72d9af7dfe0c55db1705e3c7dfaee4560dddd8885a15d1bd5f8966bfc5c2a

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
SignatureqsxMMvmyygtLzP8mTV5mC7HdHmmHU67Ul2XNuZJbsEaKefsojB6vGJFwhPaJGcubXzeGnloaaOk/fMGVUtjyAQ==
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

2026-09-17T09:57:54.058873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083478
observed 20b05ac4c0497f3d1eacf818e9404962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.042398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083478/manifest.json
observed bdb72d9af7dfe0c55db1705e3c7dfaee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.026024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083478/publication.md
observed c677de1ade3bcade1392ae83594b49f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:54.009860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083478/publication.txt
observed 8d923e1c56a7d72d1d4ff26cb630dc10...
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.