OpenTechnical

OT-2026-000075292

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000075292) never changes.

Identity and time

Publication numberOT-2026-000075292 · never reused
Internal UUID01a0ae93-f200-761e-ae58-5a3c054323e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075292
StatusPUBLIC

Content hashes

Canonical textbec1bc3203eb4bc9f8a3c99eaf2af6fa5deffcc440c51e85d5841ee06ce0d2d1
Markdown3f27c2b4f2e8bfa606bb5c6584d68c6f9370ed661fe27d31357f58c464000254
PDF
Publication pagee9cee7dda7ea4351177295949be5426ddf86c713f3dc38fe6a1bd7cb86f732b5
Manifest10b5fd5c61cdb79e9bdc4ead180729402d6503c61015235aa2adf744092d699c

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
SignatureCijMU4xe9t7OJ8dHwH6tIxGfD5/SHfxTfrFjACnRpdfxjM5VZJuvSDxFNmlTCaFVG9wXyzSraoO1Kpw44c5MCA==
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

2026-09-17T10:20:42.114651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075292
observed e9cee7dda7ea4351177295949be5426d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:42.094828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075292/manifest.json
observed 10b5fd5c61cdb79e9bdc4ead18072940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:42.073955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075292/publication.md
observed 3f27c2b4f2e8bfa606bb5c6584d68c6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:42.057279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075292/publication.txt
observed bec1bc3203eb4bc9f8a3c99eaf2af6fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:03.048844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075292
observed e9cee7dda7ea4351177295949be5426d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:03.007340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075292/manifest.json
observed 10b5fd5c61cdb79e9bdc4ead18072940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:02.986561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075292/publication.md
observed 3f27c2b4f2e8bfa606bb5c6584d68c6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:02.967683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075292/publication.txt
observed bec1bc3203eb4bc9f8a3c99eaf2af6fa...
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.