OpenTechnical

OT-2026-000066315

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000066315) never changes.

Identity and time

Publication numberOT-2026-000066315 · never reused
Internal UUID01a0ae8e-8dc4-77be-8afb-6324c4eb5d0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066315
StatusPUBLIC

Content hashes

Canonical text27652f68a45f4b50dfafdca3b92b0ccedf1e2985b2de2d9021b6853a245ab9f1
Markdown81357ab9cee7c338db4eb0e6888e4d01838ecc6040116785cd77210774954252
PDF
Publication page85e24ded6c491c5423a13fc55ef2393167b4848563b56759374a738677e1e361
Manifestbcf2b0786d8ee30b90ce13d394f5f76561e68b927d941dee8be8147679e45b63

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
SignaturehqPJLNaT7TK3SDbU3XwNrIPFPz9vRc1mf+ne6ZwzGd6I8kJH8jkqg7IT+83IjlH/qvhNqn6iZiXvYaj8bkxOAQ==
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

2026-09-17T10:33:30.210058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066315
observed 85e24ded6c491c5423a13fc55ef23931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:30.192231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066315/manifest.json
observed bcf2b0786d8ee30b90ce13d394f5f765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:30.174624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066315/publication.md
observed 81357ab9cee7c338db4eb0e6888e4d01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:30.157350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066315/publication.txt
observed 27652f68a45f4b50dfafdca3b92b0cce...
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.