OpenTechnical

OT-2026-000031461

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000031461) never changes.

Identity and time

Publication numberOT-2026-000031461 · never reused
Internal UUID01a0ae74-87ae-7526-9159-b8be1e88d5ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031461
StatusPUBLIC

Content hashes

Canonical text88d44593cd5cfcdf34709642c468778c5449fef4bbcfe46e90110376f43a3a28
Markdowna2fe857684db4fafa7ca29fe11f730683b91279d8e350e12eb88a67ed52e24e2
PDF
Publication page1efb357fa4d4a3be08b35562f390c3d81c1c3a94c58b3ca480cc418388ab13b1
Manifest37a2e5d66b30de04c0f78fca070cdac839b7e0fb85ed071303ea6fa20421b889

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
Signatureodt6OvLI0JA9M6kBJwvhj4YtPBl+WixtwYnT+EHQa0gZv6wvgCkIohkZSEJb0pCqspahyZZiTqggdNfRt/SWBg==
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

2026-09-17T11:36:11.406011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031461
observed 1efb357fa4d4a3be08b35562f390c3d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:11.379118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031461/manifest.json
observed 37a2e5d66b30de04c0f78fca070cdac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:11.361224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031461/publication.md
observed a2fe857684db4fafa7ca29fe11f73068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:11.343600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031461/publication.txt
observed 88d44593cd5cfcdf34709642c468778c...
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.