OpenTechnical

OT-2026-000025057

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000025057) never changes.

Identity and time

Publication numberOT-2026-000025057 · never reused
Internal UUID01a0ae71-2729-7eb1-ac6c-0b9b5dafee93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025057
StatusPUBLIC

Content hashes

Canonical text2ae79912a240ef586f506e04949cc8d2154df585be9440a0449e65178f40cdeb
Markdown871f38ea62b7b499958ddd51eeca6c6e64430a4586360faa0aa76c2b9947da88
PDF
Publication pageec2aeed2f6330908343591a63a874f8fb0625a0447c287b320f0a393d96ff7be
Manifest75c537eb009a7c67508959cec14eae616b58ae624aeff4e39978074aece52177

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
SignatureNHcTTqWeWVIPLCkjNSl3v0Jo2RTzyMN7hZxehqz2FxAedOgF4pC4hxhuChyPDPz5EYdzR4ZUxrZSGP2uU0/aDA==
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

2026-09-17T11:48:27.973833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025057
observed ec2aeed2f6330908343591a63a874f8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.953553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025057/manifest.json
observed 75c537eb009a7c67508959cec14eae61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.932716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025057/publication.md
observed 871f38ea62b7b499958ddd51eeca6c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.913905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025057/publication.txt
observed 2ae79912a240ef586f506e04949cc8d2...
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.