OpenTechnical

OT-2026-000064503

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000064503) never changes.

Identity and time

Publication numberOT-2026-000064503 · never reused
Internal UUID01a0ae8d-a461-782f-92bc-6209104527ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064503
StatusPUBLIC

Content hashes

Canonical textbad11152802a2dc2dea60191ca0accfc7fbadc0c268af4e38da63c339a62d3f1
Markdown16a90199ca53e92ffe974f26e1679bf3751eec81a3f45adcf63c20535e64eb65
PDF
Publication page2cea3615a2c2c89581962a4144f0f76c94bfa819a1de0e11768b8850f39e4b66
Manifest6785926d8b2f21f559935efe5366657cacffce959807aeeac905d5c585d7e5c3

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
SignatureH63BZpAS8LcxstH8VNg72DlfEHhJwRtkfv7F7xXaWIUIevMWp8jIq6wGEiJkQj8Vf2eUVyAQY5+xWT4fEG1+Bw==
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

2026-09-17T10:36:42.655049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064503
observed 2cea3615a2c2c89581962a4144f0f76c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:42.634712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064503/manifest.json
observed 6785926d8b2f21f559935efe5366657c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:42.615705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064503/publication.md
observed 16a90199ca53e92ffe974f26e1679bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:42.595867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064503/publication.txt
observed bad11152802a2dc2dea60191ca0accfc...
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.