OpenTechnical

OT-2026-000013279

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000013279) never changes.

Identity and time

Publication numberOT-2026-000013279 · never reused
Internal UUID01a0ae6d-6fc9-7dcf-a507-3e6c6b487b0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013279
StatusPUBLIC

Content hashes

Canonical textb7f7488a771f1aa9aa8dbe80e7498b64f7c1de8d2bd2ce04812d877fcd668271
Markdownf0cbb413b36c055404d8080aa2447d0043f2db7529b9a4986975e8466afe8cd2
PDF
Publication page56b153a0a4583f556aa714aa871e6a6cb546e6f1d32f7f327954c721f53ccf40
Manifestd1476bc2074e2408fecc0dc46e340738db8beed7be386114c689be9b9f64d332

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
SignaturehNLQPKsGGQuqbVSjYKfr/qQjkkZBq4tH6X0LKrs/EBeK2YU0uOSkcJQMZCMLKIjqdMCdxyB6S3W2tmCYtesaDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:41.813339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013279
observed 56b153a0a4583f556aa714aa871e6a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:41.789884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013279/manifest.json
observed d1476bc2074e2408fecc0dc46e340738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:41.764727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013279/publication.md
observed f0cbb413b36c055404d8080aa2447d00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:41.741945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013279/publication.txt
observed b7f7488a771f1aa9aa8dbe80e7498b64...
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.