OpenTechnical

OT-2026-000039694

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000039694) never changes.

Identity and time

Publication numberOT-2026-000039694 · never reused
Internal UUID01a0ae78-d8d5-7a45-9064-72a5c5944a6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039694
StatusPUBLIC

Content hashes

Canonical texta5675264eaf5175f458b10852db4f730ed7c97f07d98091fbdd6fe66ffb4dbb6
Markdownd87d08ec7b46fb470b88df62c40c0b79edc73a3fe73a67b7253d9c52ccab8bc0
PDF
Publication pagef1cde7660e18335b8d9db1203c86db8aa5e15ac2d7096ba86a22bb1500fa340e
Manifest3d8ff3c7838e4378ab89d501dba89ded3b8cb521fe0b8e0890b36c7ecdb139f2

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
SignatureBcXDiEbrmt7YuBz6NDq6hs0JW4FbHPUGqKNpP+Qp/LnmCJBY7GAebIY3SEJAOe89pkVVJr/GRtNuWahelDBpDw==
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

2026-09-17T11:19:53.263842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039694
observed f1cde7660e18335b8d9db1203c86db8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:53.246868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039694/manifest.json
observed 3d8ff3c7838e4378ab89d501dba89ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:53.228462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039694/publication.md
observed d87d08ec7b46fb470b88df62c40c0b79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:53.208918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039694/publication.txt
observed a5675264eaf5175f458b10852db4f730...
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.