OpenTechnical

OT-2026-000074800

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before 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-2026-000074800) never changes.

Identity and time

Publication numberOT-2026-000074800 · never reused
Internal UUID01a0ae93-ac2c-77dc-8b52-5402d77b2a19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074800
StatusPUBLIC

Content hashes

Canonical text8dc6ba3c3133f5d5dfd467983a2cd431ef46254ca3aac0b6a7af7ad5b6950ae5
Markdown2f1c474bc7f89522d8425d8a39e50962f96168e92150678f59027abb17477a12
PDF
Publication page490ffb017e809daa1094f22de82b4ad07e94d712c893dc34298615f784d63e31
Manifestcb89fe82f0e094816bd2ff7c49281efee45f11484dbac6d7f225ad3b3697f695

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
Signature+VIr4igUVASIOwLouhravtIcckVaPXa8ibRkJsSGS9ce7uSC7vyvQJy7vR4huqp8BN5ZgfiVls88dABtEp/6DQ==
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

2026-09-17T10:18:30.240047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074800
observed 490ffb017e809daa1094f22de82b4ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.222387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074800/manifest.json
observed cb89fe82f0e094816bd2ff7c49281efe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.204740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074800/publication.md
observed 2f1c474bc7f89522d8425d8a39e50962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.184258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074800/publication.txt
observed 8dc6ba3c3133f5d5dfd467983a2cd431...
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.