OpenTechnical

OT-2026-000089558

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000089558) never changes.

Identity and time

Publication numberOT-2026-000089558 · never reused
Internal UUID01a0ae9c-1a21-7310-8ba7-88829d5ab48c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089558
StatusPUBLIC

Content hashes

Canonical text072ee4d2e7464b60319a5d9d53743603dfc151953fcfdcfab3680f4aeda46ffb
Markdown40cbf969b81baed68873e8ef34d4848eae1b49baba1669e8618d4c8ea076c465
PDF
Publication pagec76f2a93ae2f6c770b2f80a8fb7688d86ef3be69b0a8108db0d8345a0d734173
Manifest9f4e983619d9219aa30024e6dfb6511c318b838ecd37bdb0a4a563d9eeabb044

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
SignaturePU5+tpa0QeLWza9wjM5n8xekdwqVHR1+MFWqfr2mYShf4WtoxxuvMuQzqemX9mEPblLo7Yds6vUxk3JEOlAYBQ==
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

2026-09-17T09:46:31.738899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089558
observed c76f2a93ae2f6c770b2f80a8fb7688d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:31.722084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089558/manifest.json
observed 9f4e983619d9219aa30024e6dfb6511c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:31.703760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089558/publication.md
observed 40cbf969b81baed68873e8ef34d4848e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:31.685092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089558/publication.txt
observed 072ee4d2e7464b60319a5d9d53743603...
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.