OpenTechnical

OT-2026-000083975

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000083975) never changes.

Identity and time

Publication numberOT-2026-000083975 · never reused
Internal UUID01a0ae98-0419-7223-aa2b-642ea563126f · 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-2026-000083975
StatusPUBLIC

Content hashes

Canonical text4ddd12723605ff3ac53fcc80876fc91dc2930ff0dbed156abce504672dbe6536
Markdown011ce634523f17fc958f1d8a62ad63d684ece5deeefa86783809b152c428fdd2
PDF
Publication page7a080d81786709d4018db431582adb9791e82c5b1d321196730b1b88c9bcb5be
Manifest7ad4abbafc18834a51e6f1f78eeed6a1fc02d7cacd41ac7ac1f64a488f3d26ff

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
SignatureKnDko/SuynuhUPcHexWzyEK9fatXnasvJ2xa5RDXNbbQaV3IwcXWo01sxi5jZypI3YcBMSxVmab5OpvYG9jsAg==
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

2026-09-17T10:00:30.258271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083975
observed 7a080d81786709d4018db431582adb97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:30.237191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083975/manifest.json
observed 7ad4abbafc18834a51e6f1f78eeed6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:30.217198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083975/publication.md
observed 011ce634523f17fc958f1d8a62ad63d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:30.187283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083975/publication.txt
observed 4ddd12723605ff3ac53fcc80876fc91d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.715574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083975
observed 7a080d81786709d4018db431582adb97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.700082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083975/manifest.json
observed 7ad4abbafc18834a51e6f1f78eeed6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.684105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083975/publication.md
observed 011ce634523f17fc958f1d8a62ad63d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.667311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083975/publication.txt
observed 4ddd12723605ff3ac53fcc80876fc91d...
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.