OpenTechnical

OT-2026-000072464

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000072464) never changes.

Identity and time

Publication numberOT-2026-000072464 · never reused
Internal UUID01a0ae92-89d8-7516-9f15-095d741f8f12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072464
StatusPUBLIC

Content hashes

Canonical text6143d4bca61e4b588039f2ea0245ed214dd9a2ec2c0dc0365f0a5c76a6aa609e
Markdown706d37d1b8d3144fe21cdeafc4882bd222383cf32a70e6049df3191c7998ff7f
PDF
Publication page9580fbcd09dbaaa4baf67063e77bcb7d6ced3319d6112eeb8245aa5b2dc80ead
Manifestf6001ec567795274adfc4b2ff72a062ee1477c81b741b6431c07a2d9e131c643

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
Signature5kRAaQ5yQe1UzW9V+RUbvxGflWiVeKPlUBHH48pp/T5Tlsfa/8lTGUZSNB2rkPlnoCkI0um5TnDnXpsnLXfVDg==
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

2026-09-17T10:22:17.249759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072464
observed 9580fbcd09dbaaa4baf67063e77bcb7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:17.233651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072464/manifest.json
observed f6001ec567795274adfc4b2ff72a062e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:17.215345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072464/publication.md
observed 706d37d1b8d3144fe21cdeafc4882bd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:17.197289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072464/publication.txt
observed 6143d4bca61e4b588039f2ea0245ed21...
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.