OpenTechnical

OT-2026-000083957

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000083957) never changes.

Identity and time

Publication numberOT-2026-000083957 · never reused
Internal UUID01a0ae98-0419-7c9d-af1c-54c47f0eeac9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083957
StatusPUBLIC

Content hashes

Canonical textb4192bd8dba89b3e36afe41d3f07a27c3fd95dc79e3215db43c70be51baf76f7
Markdown092514565175a9643ffb40d2feba77697a6110bc1c2923f90dfd7eca55a8b534
PDF
Publication page571322a159c4f74d925d5407bc593762996053597ca8f34f88b3e26215cf190b
Manifest97c75eff6058d6437e6301a216fb30e3747b79a1a7cb44473ee78f2173c36bcb

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
SignatureFqMt877PKUwOtZ9bskp+zsDyJZMJ5PXuui6lnHVWOoZDDuHqHm+KcrVlQF+WzarM6vwAAtGcDzFRMUV8tRgODA==
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

2026-09-17T10:00:28.084003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083957
observed 571322a159c4f74d925d5407bc593762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:28.063536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083957/manifest.json
observed 97c75eff6058d6437e6301a216fb30e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:28.036536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083957/publication.md
observed 092514565175a9643ffb40d2feba7769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:28.012147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083957/publication.txt
observed b4192bd8dba89b3e36afe41d3f07a27c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.483550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083957
observed 571322a159c4f74d925d5407bc593762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.466989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083957/manifest.json
observed 97c75eff6058d6437e6301a216fb30e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.451368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083957/publication.md
observed 092514565175a9643ffb40d2feba7769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.435114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083957/publication.txt
observed b4192bd8dba89b3e36afe41d3f07a27c...
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.