OpenTechnical

OT-2026-000080180

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000080180) never changes.

Identity and time

Publication numberOT-2026-000080180 · never reused
Internal UUID01a0ae96-7e76-7690-894c-a8c8ba255592 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080180
StatusPUBLIC

Content hashes

Canonical textf1a6e57f29f2324e0830051057f4f7c10a780bfc0f52ef867d5866a34e3072f6
Markdownfb6f282b9f3323c32e117a1ff11d9cd84f6b72210dc4d3eeb0d8a48b66b56617
PDF
Publication page9ff427a9a1d3afc7d0d899f79da343297c55fe7de84d937261cfaa20d2409e2a
Manifest9eea820bc54d8113c5c6d4e09a7d81ef6769dbec468d1fbf74e557875cf0fce9

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
SignaturetCgpEjMqCmtaH3+FIyHmCV4WuSUsrAJRutArdEQK/KRNr0T6a2u8OGTmMUNLEJemEtoyIBEfw1osKg+Kh6wPDA==
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

2026-09-17T10:02:37.070664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080180
observed 9ff427a9a1d3afc7d0d899f79da34329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.052959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080180/manifest.json
observed 9eea820bc54d8113c5c6d4e09a7d81ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.035077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080180/publication.md
observed fb6f282b9f3323c32e117a1ff11d9cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:37.013375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080180/publication.txt
observed f1a6e57f29f2324e0830051057f4f7c1...
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.