OpenTechnical

OT-2026-000063642

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented after set-down

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-2026-000063642) never changes.

Identity and time

Publication numberOT-2026-000063642 · never reused
Internal UUID01a0ae8c-f946-734f-9f46-11c245aec6b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063642
StatusPUBLIC

Content hashes

Canonical text7d69bb6da7cf72df54b52d6275d7fbe0fe2783e7a6b89c089d28d21f22d56b92
Markdownbb618e1f00b9ac3fb3531e5cbb574a3d6b5c0832c5c13a788524fd0862354894
PDF
Publication pagef85995797c088298c41efa6f9397e82d8848ec1d69fc0f308f2d59530a27718f
Manifestfb2be43d3de39b63209cd3ff172d63db92dabba2234b8d07f2a71a9d301550ac

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
SignaturekuIl8qU7RIFn/1P/XGq+wUjbqlWRXOuYDPhVYQXqC95nDaeccFL8hwAJv4fwaFF7J8AClehB8sgI0Fs3//G8DA==
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

2026-09-17T10:37:44.724106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063642
observed f85995797c088298c41efa6f9397e82d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.707831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063642/manifest.json
observed fb2be43d3de39b63209cd3ff172d63db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.689947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063642/publication.md
observed bb618e1f00b9ac3fb3531e5cbb574a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:44.670739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063642/publication.txt
observed 7d69bb6da7cf72df54b52d6275d7fbe0...
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.