OpenTechnical

OT-2026-000080259

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, sustained 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-2026-000080259) never changes.

Identity and time

Publication numberOT-2026-000080259 · never reused
Internal UUID01a0ae96-7e77-734b-96fa-2a423e7c4422 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080259
StatusPUBLIC

Content hashes

Canonical text5bbada73a7f43a696e5269be7928685f1a4783ea1a3cbdbdf30c8d58e4ba49a0
Markdownee9e09848e87aa0da31ea4cb797734a028b0cbbf6b4b6f94b5e4cc16e5ebbbcb
PDF
Publication page05642246606c451f2d32d63cb10c7296ec667a9c5d1d0d6f8cbf9cf58f7f1226
Manifestc8174dcbd3b7b16a14b242926186f227762ea3afe3a5fe78df8e3d8bf66bfc25

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
SignaturerD7KUniTnorIfqPqT6Del/QGLhKaSQ0StAMzCFb9Ak/DEY1Mv6KDp7n6cPvzLYtwwhsNTrOQjMPkLiDu5EUuDg==
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

2026-09-17T10:02:43.227964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080259
observed 05642246606c451f2d32d63cb10c7296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:43.209195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080259/manifest.json
observed c8174dcbd3b7b16a14b242926186f227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:43.190318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080259/publication.md
observed ee9e09848e87aa0da31ea4cb797734a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:43.174167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080259/publication.txt
observed 5bbada73a7f43a696e5269be7928685f...
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.