OpenTechnical

OT-2026-000074608

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-2026-000074608) never changes.

Identity and time

Publication numberOT-2026-000074608 · never reused
Internal UUID01a0ae93-ac2a-7428-90e9-32e694f26aa6 · 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-2026-000074608
StatusPUBLIC

Content hashes

Canonical textee2a623fc87e0a368c101940f6df9ee71abedb0b1305f1edf240c17f487e9411
Markdownf3ec75214fd09c89500da9616723760281a3621d4dd816224177148db2d6fa35
PDF
Publication page9b6142e8e6b8b9591e83230c7b94bf59a25f8d0b32ee3ab3f5478dadae9b5795
Manifest349b8972e68e20313515e009a85bddfa1ab327d5c6ba912df5df6ff1964a2033

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
SignatureD3lyqdmZ/dVl7nh4qk92vJHZU/ZdLnG0hyM1CRnYpjqneEx/Ip9WOibQFbG2pBnACFZZg18W6JXOwDWdbpY7Cw==
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

2026-09-17T10:18:04.305330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074608
observed 9b6142e8e6b8b9591e83230c7b94bf59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:04.287262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074608/manifest.json
observed 349b8972e68e20313515e009a85bddfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:04.039378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074608/publication.md
observed f3ec75214fd09c89500da96167237602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:03.497519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074608/publication.txt
observed ee2a623fc87e0a368c101940f6df9ee7...
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.