OpenTechnical

OT-2026-000097429

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump 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-2026-000097429) never changes.

Identity and time

Publication numberOT-2026-000097429 · never reused
Internal UUID01a0aea1-55b2-7020-b634-c7e9731ea835 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097429
StatusPUBLIC

Content hashes

Canonical text1fefe5f7a7163f1c236d14245775f435e8e85341210d6c32cff71c165cca8268
Markdown197c188300952fa168cd000f5f9e0cdf34b940d2f6581e9d6ecac93cb991ad3e
PDF
Publication pagef293fc2e535b5ed11189a98b83762f03336dccc912bf9f8bcea69211c64ba510
Manifestaa6588d5b5087c0a39dab7ae111e827746ae8b98df8827dec8db4464bb8bbd0e

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
SignatureiVFs27f+ySF2hTdSicDpJYKLpvi50w3H7HMDfQCRdCypVnhg1hP6TBS0gkJApoY9ZmonXE72QNdge2PzLR1AAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:17.126263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097429
observed f293fc2e535b5ed11189a98b83762f03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.105696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097429/manifest.json
observed aa6588d5b5087c0a39dab7ae111e8277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.085894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097429/publication.md
observed 197c188300952fa168cd000f5f9e0cdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.065221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097429/publication.txt
observed 1fefe5f7a7163f1c236d14245775f435...
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.