OpenTechnical

OT-2026-000076233

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000076233) never changes.

Identity and time

Publication numberOT-2026-000076233 · never reused
Internal UUID01a0ae94-6a6f-7dd0-8cc9-858f44ce8258 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076233
StatusPUBLIC

Content hashes

Canonical text8b6ab5779673c0b435479296651e13eefc6c81385022881c88c2a5f086aed5b5
Markdown127749c1d593a3c1f88a142e5ebf3540003957653c7c0f0a44ab48d204d7e1ec
PDF
Publication page29dcbbd98cd4cf6474612edd674cade76cbcddcbb7a768bed934351542a7474c
Manifestc69de18fbf856caf21722939e8e22f12f29c073cd0728438f4079860794cceed

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
SignatureMiA6SL6tpN7OmvNUfRa5caGwjoZgEk7xkPzjoLmW/vj5nZxLNJ6vu0ysjBcZLHYKE4cQWYN4FezCc15PWc+MDg==
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

2026-09-17T10:11:41.268992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076233
observed 29dcbbd98cd4cf6474612edd674cade7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:41.244931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076233/manifest.json
observed c69de18fbf856caf21722939e8e22f12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:41.220468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076233/publication.md
observed 127749c1d593a3c1f88a142e5ebf3540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:41.196380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076233/publication.txt
observed 8b6ab5779673c0b435479296651e13ee...
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.