OpenTechnical

OT-2026-000076679

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000076679) never changes.

Identity and time

Publication numberOT-2026-000076679 · never reused
Internal UUID01a0ae94-b06f-7e19-bd0c-c77c59936bb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076679
StatusPUBLIC

Content hashes

Canonical text67d697713237708def144e70ff207dd00ae8869ffda4a5bfaba3dbbb7968f7fd
Markdown1d0c5b8e2da2f1ec73f6b91d76e45648c4dcfac9eca6c74db0dd9ba96e936cce
PDF
Publication page7a6edc7cec9bff2620adf2f660b8f058ebb9df263a02e702ceb0342fc4bd438e
Manifestc112fff061d971c15161262b6377c6bf78e2d83914f0b60588098545b4aef07b

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
Signatureg/XrXxdT5djhIjZEdxy5sM7mjgKcoJHbuq2MLm3P5J2syxRH0uZe29i0qHYPhRaNW9fSZaTkTdnqMoPVpWOADg==
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

2026-09-17T10:09:25.898129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076679
observed 7a6edc7cec9bff2620adf2f660b8f058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.880457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076679/manifest.json
observed c112fff061d971c15161262b6377c6bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.862434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076679/publication.md
observed 1d0c5b8e2da2f1ec73f6b91d76e45648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.843641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076679/publication.txt
observed 67d697713237708def144e70ff207dd0...
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.