OpenTechnical

OT-2026-000091746

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091746) never changes.

Identity and time

Publication numberOT-2026-000091746 · never reused
Internal UUID01a0ae9d-43b9-7a74-80cf-7a6a854548a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091746
StatusPUBLIC

Content hashes

Canonical text295f511d379e415cafaf90966e2cad28da251e42e5a398ea089b4a9a4e05195b
Markdowna221ede846c43e64e345688fa6dab3b36ad6c87c536b2a82cc142609196e9033
PDF
Publication page3f20ac47c4d2d78b11bde3c4170c49bf6a77f5a4502bac8c263d1dfb12d7925e
Manifest16c8dbd31acc73cb96c0466bf493f0db9129ef52a126657d1496c65ce35ec94d

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
Signature9cEPQVEMIlPdrNvQeGJYZ4jx3ChtUNuM4xVKJK17ZNFWqRGbTZUAv9/lyzHJ343IJ1yHolWN3ciOocfzkZY8DA==
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

2026-09-17T09:42:38.344728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091746
observed 3f20ac47c4d2d78b11bde3c4170c49bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.328145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091746/manifest.json
observed 16c8dbd31acc73cb96c0466bf493f0db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.312145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091746/publication.md
observed a221ede846c43e64e345688fa6dab3b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.296441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091746/publication.txt
observed 295f511d379e415cafaf90966e2cad28...
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.