OpenTechnical

OT-2026-000080292

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000080292) never changes.

Identity and time

Publication numberOT-2026-000080292 · never reused
Internal UUID01a0ae96-7e77-786d-818f-d9ee3fe2dd2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080292
StatusPUBLIC

Content hashes

Canonical text5c8a6d467ad3004ad597011ba24f5224d5be4f9da1bbc839d5115ba4c20aec37
Markdown759de06c170d69904b9a56b5a8b33b79cd114c0413b5c784740c7721b25c7d83
PDF
Publication page48651226e59ae974ff11a28f30be6820d9b0cccfcef78c673a26b5ffc166137f
Manifest611d0db5147d777fb15c855b2556d1efc7891976b5592f0df4c55e8db5c167e3

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
SignatureJxy8iIRGlioY3UXedGQZDrZbIlvzheCZsGJY0kGbHlBpnAAPXSlF9gP+t7pGrZiWLE+P64k/Q9ismVnRmu8ZAw==
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

2026-09-17T10:02:45.306298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080292
observed 48651226e59ae974ff11a28f30be6820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:45.280480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080292/manifest.json
observed 611d0db5147d777fb15c855b2556d1ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:45.257926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080292/publication.md
observed 759de06c170d69904b9a56b5a8b33b79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:45.236547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080292/publication.txt
observed 5c8a6d467ad3004ad597011ba24f5224...
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.