OpenTechnical

OT-2026-000062645

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump 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-2026-000062645) never changes.

Identity and time

Publication numberOT-2026-000062645 · never reused
Internal UUID01a0ae8c-0ac2-79a9-9b0d-187f8adbc80f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062645
StatusPUBLIC

Content hashes

Canonical text0faba1bd2561d480e7d1c1b6abaaaff00b4495931d5330cd25fd3975074ff67a
Markdown145107b932dacc0871fdf64c963ef70a633687e445d197b7186b3a33d4e4942f
PDF
Publication page9f3761f6b5b03e9d8b875cbd34b19cb4d1ac6dd6c0b9ef7fa46debf621d36574
Manifest415df1203f9b71219effff98a6da92e99120201acb544e0642da8a9e97fe3045

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
SignaturerXRAHKGHW7569MWc5TMmh2QOO/fAClRTghHxeJ1G9WmYAWRklIZ6EQMuMRYYg84YT525CCv5rvhUVsvdNtC7Aw==
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

2026-09-17T10:40:10.822283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062645
observed 9f3761f6b5b03e9d8b875cbd34b19cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:10.797311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062645/manifest.json
observed 415df1203f9b71219effff98a6da92e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:10.774518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062645/publication.md
observed 145107b932dacc0871fdf64c963ef70a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:10.751134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062645/publication.txt
observed 0faba1bd2561d480e7d1c1b6abaaaff0...
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.