OpenTechnical

OT-2026-000085159

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000085159) never changes.

Identity and time

Publication numberOT-2026-000085159 · never reused
Internal UUID01a0ae99-43b9-7bbc-881e-e667895dcdc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085159
StatusPUBLIC

Content hashes

Canonical textcadc86c1c2ecb0b01e24c2c90b4523b5f8095d2be8c69843dcd06744fa0c2d72
Markdown92ac5ef656714d54146b4dd803c87fbac8c2b54c0562322e13a943f495085130
PDF
Publication pagef96433bff477e8bf91606bf27583c5aadf41161dddcfa1cf1b41539e99d52a88
Manifestc2ea6a47cd5249400eb6cb1a9ceadf0833b1fe3b8b9f0d2d17a34f932c552800

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
Signatureu/QSmY21Gdm3CFwJLbGqaMB3YsbSJpeYXexCthDbYspgmF/JhSPw7bR2UNDnh5wE1qKdzV25XIH19G+UUFXaCw==
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

2026-09-17T09:55:14.384512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085159
observed f96433bff477e8bf91606bf27583c5aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:14.367106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085159/manifest.json
observed c2ea6a47cd5249400eb6cb1a9ceadf08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:14.350574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085159/publication.md
observed 92ac5ef656714d54146b4dd803c87fba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:14.332992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085159/publication.txt
observed cadc86c1c2ecb0b01e24c2c90b4523b5...
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.