OpenTechnical

OT-2026-000073392

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000073392) never changes.

Identity and time

Publication numberOT-2026-000073392 · never reused
Internal UUID01a0ae92-efb8-729a-afff-23afc1c16e42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073392
StatusPUBLIC

Content hashes

Canonical text2d3361b531491837d184d47710e1cfb744403ec97c79e7a1877b4fed24f24fb5
Markdownd16253eba6aec8c17c99e47986b26841c2ff167babbd19098c9b4bb271f78ed0
PDF
Publication page803fcab70e9eb0c85339a2cefe7ab4540f55da62d8d17bca73a705171212e645
Manifest4b47f7172d74f16a8f1234d4d4c7b14bdcecbf93ba24d08432054e73f8076bf5

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
SignatureJmU4mn9I5l3Q7ezD3SpAoBQpuGxvF6G5BWrx9bvq13itn+rzUYaryCFUE8+E0uz8747VlTxMxuGQz3oMH74PDQ==
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

2026-09-17T10:21:26.111230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073392
observed 803fcab70e9eb0c85339a2cefe7ab454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:26.092713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073392/manifest.json
observed 4b47f7172d74f16a8f1234d4d4c7b14b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:26.073584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073392/publication.md
observed d16253eba6aec8c17c99e47986b26841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:26.054398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073392/publication.txt
observed 2d3361b531491837d184d47710e1cfb7...
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.