OpenTechnical

OT-2026-000043305

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, sustained blow-off 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-2026-000043305) never changes.

Identity and time

Publication numberOT-2026-000043305 · never reused
Internal UUID01a0ae7b-327d-7828-8c79-0d5ed288a4f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043305
StatusPUBLIC

Content hashes

Canonical text658f5881a261eeebe5ff759a01f9a7728874ec37d6392e1a6348b514674ca003
Markdowna2b0bbe9f56515971913e49525679d9143cc6a0273f77f054d84beacc00c1b70
PDF
Publication page1a6e8a1c1e95b5f70eb8e792ced299caa76a62599280295d5be17ef613692b95
Manifest0c4c838d0c59f64f30ddd15e746ba2f842573e2ac8343369a2b78677792567c4

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
Signaturefb2l2kkDkWW8GfJD/9S0YMBKRoAsZJ2hya9e9oPz/jIRqKAo1SS5F/pkgk4xYCeTkw5IUa1ZX3n6sespKboDCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:48.225647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043305
observed 1a6e8a1c1e95b5f70eb8e792ced299ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:48.206100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043305/manifest.json
observed 0c4c838d0c59f64f30ddd15e746ba2f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:48.186085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043305/publication.md
observed a2b0bbe9f56515971913e49525679d91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:48.166772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043305/publication.txt
observed 658f5881a261eeebe5ff759a01f9a772...
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.