OpenTechnical

OT-2026-000074620

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000074620) never changes.

Identity and time

Publication numberOT-2026-000074620 · never reused
Internal UUID01a0ae93-ac2a-70be-8cd3-beff8eb094c7 · 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-2026-000074620
StatusPUBLIC

Content hashes

Canonical textee8b48d08b4ef27cb7d130fa72da893cb223f9935b8de8989313e566b62c1cfa
Markdownfa7f9ddcc95a3c9e21425e3e44e66eee5e8b938206bd5d03a465c65fc20b14d4
PDF
Publication pagee6834d18b6e96de663e207c897ed406dbcaaedc13e616270921da28c668c765c
Manifestd8efcf2fec8a840cc7717aa1b31c89ce4ac58e52940fa7ad481d754dc8a94856

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
SignatureGFx+wEFW6yzlpIapvV7PkTc4k5qrfABgmCoUSkjchm6U2OmlcMbFtpu08JqFX4OkKxLcZE4A6wLukfjh/s7GDA==
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

2026-09-17T10:18:09.036082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074620
observed e6834d18b6e96de663e207c897ed406d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:09.017242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074620/manifest.json
observed d8efcf2fec8a840cc7717aa1b31c89ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:08.997050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074620/publication.md
observed fa7f9ddcc95a3c9e21425e3e44e66eee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:08.980052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074620/publication.txt
observed ee8b48d08b4ef27cb7d130fa72da893c...
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.