OpenTechnical

OT-2026-000063839

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, 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-2026-000063839) never changes.

Identity and time

Publication numberOT-2026-000063839 · never reused
Internal UUID01a0ae8d-53b7-73e8-a76c-11966f65b5a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063839
StatusPUBLIC

Content hashes

Canonical text0a7cf015d6f6bff14ba96346858a81013125a0cd34db5abeabc2432967dcf126
Markdown4e85086fd9aae7060be0c7a9487e22e1942b76edcc7d038176e272bf8a863676
PDF
Publication page1aa56af739edf25fd066544ef951ebf0c7e2f5539eb272a3da7367f2e0ce84c5
Manifestc4d280f32af1934e4c6013b7a6ea0a6c89ef4fc66be9a9578934226a553157c5

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
Signatureclk1CzkNlWxrGoVRgYr+iIBLrcZIPG1yBtuK6AX8CeB0zisTPXjjgIIYA6TM7Aahu/a8yhek8dI+3IFa3HB6Aw==
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

2026-09-17T10:36:51.982164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063839
observed 1aa56af739edf25fd066544ef951ebf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.963938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063839/manifest.json
observed c4d280f32af1934e4c6013b7a6ea0a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.945581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063839/publication.md
observed 4e85086fd9aae7060be0c7a9487e22e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.926060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063839/publication.txt
observed 0a7cf015d6f6bff14ba96346858a8101...
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.