OpenTechnical

OT-2026-000077719

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000077719) never changes.

Identity and time

Publication numberOT-2026-000077719 · never reused
Internal UUID01a0ae95-2ecf-7d55-869e-2098b4b9afe9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077719
StatusPUBLIC

Content hashes

Canonical texte07da8ced9a21596a8dff1f8da423f71392c7c21f3836951bed93b2330a60c50
Markdowncd02eae86f8c82aaca6f4fcf1be2b51797e9af9f26ff7afedbda11908252e85c
PDF
Publication page76e3152285a3acc6968f9176ac0af7d49dc566e5620602d962d407e3293d4a23
Manifest912d98e5eb71aa253f65b0169d6984a326ee359f937b03127c92dd6f1e574348

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
SignaturejxZ0MnOm8Nq9LvEVHO9cNqgsD1EnpSWLNliMFE5J4JZvLrlMKdYC+K5v6jw42sFmTjg0Y7dpKhhxSux9dR75Bw==
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

2026-09-17T10:07:17.749196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077719
observed 76e3152285a3acc6968f9176ac0af7d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.730379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077719/manifest.json
observed 912d98e5eb71aa253f65b0169d6984a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.713391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077719/publication.md
observed cd02eae86f8c82aaca6f4fcf1be2b517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.695836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077719/publication.txt
observed e07da8ced9a21596a8dff1f8da423f71...
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.