OpenTechnical

OT-2026-000069726

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000069726) never changes.

Identity and time

Publication numberOT-2026-000069726 · never reused
Internal UUID01a0ae91-185e-721e-b989-f340c4a17571 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069726
StatusPUBLIC

Content hashes

Canonical text82c59fd20127ffcf6ba1758978644af2c4e1ae37f122bcfb6a5a722270ad0aa7
Markdowncbce033b5ab8f618583971e5664ece254d98d470dbf9bcd09f8ce6920592288e
PDF
Publication page0c5c8e818625ee03f9609fe61e9ef13a19fe2f56e8e144980c601dfd0480e3c3
Manifestab305938ea87f6ae3e4c760d4f9d10a528443a7680e29b812daf7e77a1437ce0

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
SignatureLo+aZKWsMmMyV/A656RkbE0stwZ4lLBNlDo1/pWSyh1ASpyl7FFihK9JEQYEbWXBjORqCZDa5/VjmvRLc6d/Bw==
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

2026-09-17T10:26:32.137646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069726
observed 0c5c8e818625ee03f9609fe61e9ef13a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:32.120649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069726/manifest.json
observed ab305938ea87f6ae3e4c760d4f9d10a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:32.101802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069726/publication.md
observed cbce033b5ab8f618583971e5664ece25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:32.083697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069726/publication.txt
observed 82c59fd20127ffcf6ba1758978644af2...
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.