OpenTechnical

OT-2026-000025978

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000025978) never changes.

Identity and time

Publication numberOT-2026-000025978 · never reused
Internal UUID01a0ae71-a83f-763e-acda-5ba1eaef2d79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025978
StatusPUBLIC

Content hashes

Canonical text16af0f249b6af4984f8917f6436f29eaf6f737c416b6d5af8ac4c51150ca5509
Markdownb6d3dd5b9236f54167520767c39b3abb59fc97ae2f526824b79eb2e6e28764a1
PDF
Publication page03ab0e04ce7f09cc8ee2b2bc3c7a2b53538fc00bbde772d437355bbdd7f841ee
Manifest77ab4e8944bbcb6b96021d5fe8c79cb2d128c99c66a888d1981a726bb3d90b8a

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
Signatureu/6YQV2ScbntwsC85kyhyyFc/N1MFVJ1ojV4xG+LDNVDLImp0qQXfFQASB3xxfw08odJSTXX+iTAF4RJ/xcKAQ==
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

2026-09-17T11:46:20.881779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025978
observed 03ab0e04ce7f09cc8ee2b2bc3c7a2b53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.864456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025978/manifest.json
observed 77ab4e8944bbcb6b96021d5fe8c79cb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.847818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025978/publication.md
observed b6d3dd5b9236f54167520767c39b3abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.832351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025978/publication.txt
observed 16af0f249b6af4984f8917f6436f29ea...
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.