OpenTechnical

OT-2026-000064901

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after set-down

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-2026-000064901) never changes.

Identity and time

Publication numberOT-2026-000064901 · never reused
Internal UUID01a0ae8d-debd-7ba6-b465-c8a08ce76626 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064901
StatusPUBLIC

Content hashes

Canonical text14de276a071dcc19d14f724026c746c9507ef84fadb7cf9c3e8679674eed77db
Markdown9d50f19b69bb2219570096e10d6e3fb597bcd68db171526cc48f1c3a0272faa8
PDF
Publication page5e047c602efe64a28595e087a506e094533d6a17fd25bced246b4fbb344d2401
Manifest9dcbe7aaf90f6178e8eb09df6972870f363c8693b1bd91f9e99dccbc846eaaca

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
SignatureLRmRdQZHP2sUGYV1PtjOLsgNt6HKXLAWD/bNrhVG9iCUZBp/pXuJE+B2jdpdr0SA5DLlaBbo7ukqSrnmmj0vCw==
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

2026-09-17T10:35:49.870964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064901
observed 5e047c602efe64a28595e087a506e094...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:49.852439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064901/manifest.json
observed 9dcbe7aaf90f6178e8eb09df6972870f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:49.833629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064901/publication.md
observed 9d50f19b69bb2219570096e10d6e3fb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:49.816174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064901/publication.txt
observed 14de276a071dcc19d14f724026c746c9...
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.