OpenTechnical

OT-2026-000064228

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000064228) never changes.

Identity and time

Publication numberOT-2026-000064228 · never reused
Internal UUID01a0ae8d-a460-7f09-8cb2-f5f29e039536 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064228
StatusPUBLIC

Content hashes

Canonical text9bb47046618e5d89913ad21844cfcbc39b618c740061cf77341ea0e196c90bb5
Markdown432df383db6a1309836fcd480d2ab1d45f82b2fc4e1006394118d742cc7543d4
PDF
Publication page822eaed368c762f412436a359d04072c390b11b3e3807f1a428b3fbf511c309d
Manifest39bfff2b99b60e17cf2915c9035414c1e717c7987b617419903902ade58d5c3f

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
Signaturek/yyH5aEw3kAxX3QOk2yw+F5CGxmCqK4ZZUiyNu4ViYam8uknlHUCqpgEvo5bLYB9KP54ELo/OVn851EXU8qCQ==
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

2026-09-17T10:36:21.197912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064228
observed 822eaed368c762f412436a359d04072c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.178957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064228/manifest.json
observed 39bfff2b99b60e17cf2915c9035414c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.156851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064228/publication.md
observed 432df383db6a1309836fcd480d2ab1d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.136020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064228/publication.txt
observed 9bb47046618e5d89913ad21844cfcbc3...
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.