OpenTechnical

OT-2026-000076961

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three 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-2026-000076961) never changes.

Identity and time

Publication numberOT-2026-000076961 · never reused
Internal UUID01a0ae94-b071-7964-835a-f22c8f0a24c2 · 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-2026-000076961
StatusPUBLIC

Content hashes

Canonical text30da3b09b6d2b1f6a526a06ca54f4785468929f228f8473fcc34655e3b17e6f0
Markdownbed26b7449adf6071bc728f1783cb033f59c6f005e4fc8afc32aaf5e1493f418
PDF
Publication page0cb82c98f6a8d5571a34b719e8b26eccf68bab9c7e1b4bd81dd9913b3722f95f
Manifestfc5c1b4807f6ac66dcd36df864f5b2ee09baf62d0dd62aef97ff054d975758db

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
SignaturePPQap4fyHhDaY33ocbNeJnlGSvruqiPgC3LiZVFprhwbNUS5iCIlxJMY9hgkSE6P0YyXZv1oYieVAUn7y9IyDw==
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

2026-09-17T10:10:10.722299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076961
observed 0cb82c98f6a8d5571a34b719e8b26ecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:10.702021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076961/manifest.json
observed fc5c1b4807f6ac66dcd36df864f5b2ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:10.558139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076961/publication.md
observed bed26b7449adf6071bc728f1783cb033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:10.538871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076961/publication.txt
observed 30da3b09b6d2b1f6a526a06ca54f4785...
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.