OpenTechnical

OT-2026-000059901

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000059901) never changes.

Identity and time

Publication numberOT-2026-000059901 · never reused
Internal UUID01a0ae89-ec26-7a56-88c7-428aff3a140e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059901
StatusPUBLIC

Content hashes

Canonical text2f130e433f9215e73222e2c32ba40593b40ed548bc370edc40ba4c47d804d9e9
Markdownb3b85189f4bdb6077d05987fa07f1b75365b62bb1ec7cc02eb5243a5795af178
PDF
Publication page31f39c19d75b0826e8aeaa45c14f6380a8a2dfd76879fd5b125e6575511b8bc2
Manifest769d32c0365dcd3760c04d793da991edb08df44a8699ce0322a6cf26c7d07102

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
Signatureh0Azq+y9BR5Q2P/A6QDdNCwBHgHbi2HovnWYywTqzL88tr5BJbvXd949BH3cfAa7kTt54uZJIYRGIWh77XJ1AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:39.810294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059901
observed 31f39c19d75b0826e8aeaa45c14f6380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:39.792236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059901/manifest.json
observed 769d32c0365dcd3760c04d793da991ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:39.772725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059901/publication.md
observed b3b85189f4bdb6077d05987fa07f1b75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:39.754076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059901/publication.txt
observed 2f130e433f9215e73222e2c32ba40593...
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.