OpenTechnical

OT-2026-000081094

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000081094) never changes.

Identity and time

Publication numberOT-2026-000081094 · never reused
Internal UUID01a0ae96-b977-7d8c-b286-d7973f0b055c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081094
StatusPUBLIC

Content hashes

Canonical texted87fa3d9229c248f0d46c509588a797dd7fb9ed3b32c098a49beafdc0b7236d
Markdown0848eeef6a01cfef4566fef45906dfdc698292c7a54f7c3dc14e816498d67d75
PDF
Publication pagec97f40bb038d8cf6a17938dd975231c5befc761c7e9ed163e844ed95e00d573f
Manifest1694e9cd059fa3ee03c7d76efbe67ec6ea00f81f114abea86e10dacfffc47471

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
SignatureUIxwxPZtcXlkEk1CAU/WSdG49KR4P+Uv5Fc+EHX+J1eVrwGidk9qjQriNrwJeaQVoygU6iFq6/HZwGT7F/t6BA==
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

2026-09-17T10:02:23.946764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081094
observed c97f40bb038d8cf6a17938dd975231c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.931177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081094/manifest.json
observed 1694e9cd059fa3ee03c7d76efbe67ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.914778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081094/publication.md
observed 0848eeef6a01cfef4566fef45906dfdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.898793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081094/publication.txt
observed ed87fa3d9229c248f0d46c509588a797...
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.