OpenTechnical

OT-2026-000033494

Publication integrity record

Foam pad vacuum gripper, 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-2026-000033494) never changes.

Identity and time

Publication numberOT-2026-000033494 · never reused
Internal UUID01a0ae75-a38e-749b-a8e4-23d57e3b6847 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033494
StatusPUBLIC

Content hashes

Canonical text1bb086e02b3ec40272c5aaea534c00a31eb5f5abcf574482ef080b86c587d49e
Markdowne45fed4535b82ecd4a95e1b668e11fe15ab14b43b9ef51933f7a7240ed7400a9
PDF
Publication page994360b9e1d496c14c9a744990a739c0f1a239e0a6839f503ce78f24febe54cb
Manifest578705380106d35c79460fe7f5893345557d2fb6a117fbc79c6e24ac0d4b95d7

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
SignatureN7hhAZbS6cW+TUga1XoOJ1ICTGG//IMZWX3+TrM/SZJ7MZyk0Key6pGfkc1mvGHONJnlE/RWwadPQg9NBnrBAg==
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

2026-09-17T11:31:20.577494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033494
observed 994360b9e1d496c14c9a744990a739c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:20.559779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033494/manifest.json
observed 578705380106d35c79460fe7f5893345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:20.536037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033494/publication.md
observed e45fed4535b82ecd4a95e1b668e11fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:20.515866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033494/publication.txt
observed 1bb086e02b3ec40272c5aaea534c00a3...
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.