OpenTechnical

OT-2026-000067169

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000067169) never changes.

Identity and time

Publication numberOT-2026-000067169 · never reused
Internal UUID01a0ae8f-14ff-72d6-bed7-3d2dcb6eeaa3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067169
StatusPUBLIC

Content hashes

Canonical textc98cd8c039f5ef0b9f5a1eb12bb5578c7d09c44334c3bd2d670bf736d4822bea
Markdowne3b09ef4e79941cd173bc44c2a23e9990cb0b638dfabc370caf4a341407599a6
PDF
Publication page85678deee742800de6f4327a077e65067c64209df76243b851685b3f4cd98e5e
Manifest9b11484e3bf6f426c4c4f2c85bf9cff2610460086e77d93a5e9734beca3069b2

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
SignatureEN+OYDoZyT5+9wmQdFHy0ZkFzgRTz3lMPpSYw/d35u021ZcrKWQxPtI363wz/S/+AlhjCQG6GrTkwD8TWwRDDQ==
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

2026-09-17T10:32:25.312359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067169
observed 85678deee742800de6f4327a077e6506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:25.295512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067169/manifest.json
observed 9b11484e3bf6f426c4c4f2c85bf9cff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:25.276373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067169/publication.md
observed e3b09ef4e79941cd173bc44c2a23e999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:25.256189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067169/publication.txt
observed c98cd8c039f5ef0b9f5a1eb12bb5578c...
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.