OpenTechnical

OT-2026-000013063

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000013063) never changes.

Identity and time

Publication numberOT-2026-000013063 · never reused
Internal UUID01a0ae6d-5565-7f21-85c7-1b457593a266 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013063
StatusPUBLIC

Content hashes

Canonical text7165d4577cbdadbf396e73b8aa5d5d38ac70cec2f0d7359f340be882439da8f9
Markdown4c8d83ccfb8935cdf492f1b090b31fb449ac0d845af6353f566a279ccf4e2cc0
PDF
Publication pagec9b4106a22777a4d1f5f8e404de7fd892a0973929fc4e2c7c9ff968f63499a66
Manifest826b6405838770d1587c847e3ea161d9a3c4e7b3e7fb0757e7fd038f8d4cb0ee

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
SignatureGbpovB0ms2yuo9bkdizxSZ4+0x8QWnIGQp4L7Bru3ZSNB2U+4l3RRPLj1NDentAm2dmA7TpxmROiqp98hQcDBQ==
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

2026-09-17T12:10:54.122955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013063
observed c9b4106a22777a4d1f5f8e404de7fd89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:54.101795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013063/manifest.json
observed 826b6405838770d1587c847e3ea161d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:54.082932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013063/publication.md
observed 4c8d83ccfb8935cdf492f1b090b31fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:54.065499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013063/publication.txt
observed 7165d4577cbdadbf396e73b8aa5d5d38...
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.