OpenTechnical

OT-2026-000075899

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000075899) never changes.

Identity and time

Publication numberOT-2026-000075899 · never reused
Internal UUID01a0ae94-29ff-7a37-8e12-fa31a71157bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075899
StatusPUBLIC

Content hashes

Canonical textf55eb2f1d0cce69d0c7f9b42ed3d51357cb795732c12d54cb9b7e56ce1d40822
Markdown8bcca451516bc201871ce45568a32561d74424d61c7ba146857724c1e63d2828
PDF
Publication pageb9c96cdfb67efafc75298268a4f66339f21a2cccfbcbda147ccc9e649c2048d1
Manifest8da4b7b2e5b1089111f32bb9402856e60fd92daf067713e243af098f65513812

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
Signature/IOHoMsMKxsQwxLOLhaLWef9m/PMLTA71P7HzCW2qXaYiY1ReS8xB9MjAgd8kAWS3n8IWs4itBBXbvE/WimVBw==
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

2026-09-17T10:14:42.289752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075899
observed b9c96cdfb67efafc75298268a4f66339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:42.266470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075899/manifest.json
observed 8da4b7b2e5b1089111f32bb9402856e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:42.242931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075899/publication.md
observed 8bcca451516bc201871ce45568a32561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:42.221589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075899/publication.txt
observed f55eb2f1d0cce69d0c7f9b42ed3d5135...
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.