OpenTechnical

OT-2026-000064457

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line 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-2026-000064457) never changes.

Identity and time

Publication numberOT-2026-000064457 · never reused
Internal UUID01a0ae8d-a461-722b-883c-3768f93eb3a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064457
StatusPUBLIC

Content hashes

Canonical text03fb093d0944fa03bc1807717974b8997820bc7f2b3aee3f932c120a12f88719
Markdown64a4a1a3aef79dd323b6843ebcd79945531c6019e25542ea34a216861181a2de
PDF
Publication page00a6a3e54ba7b0ec95323fbd482b2add77b452f84ee4dd5d5ca34490693766c0
Manifest903ee3bab0ea75c737622448589e4a4196bf6b0193d96c1d905b090e9132190e

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
SignatureR1OlddkiJSJvy2qJTzsNH/wEN16ZLvYmoigvujqbfCKfhm8926BStLInJMmKY84D7W+uVvVDRNWfyTRLdx9eAg==
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

2026-09-17T10:36:38.772385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064457
observed 00a6a3e54ba7b0ec95323fbd482b2add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.755282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064457/manifest.json
observed 903ee3bab0ea75c737622448589e4a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.736810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064457/publication.md
observed 64a4a1a3aef79dd323b6843ebcd79945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.720105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064457/publication.txt
observed 03fb093d0944fa03bc1807717974b899...
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.