OpenTechnical

OT-2026-000073723

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000073723) never changes.

Identity and time

Publication numberOT-2026-000073723 · never reused
Internal UUID01a0ae93-2b8d-7e87-85bb-37d07894c283 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073723
StatusPUBLIC

Content hashes

Canonical text019a976bfe0e0b4538c37e0a918cd3493cc42ac03ef59b955c50bafa9ce5a19e
Markdowne675952d884402ccb086b841ffc1ace60793f21ac4ece646307b379852bb0de1
PDF
Publication page5dfca6b8a685f25d73579f26c0b444d81ba7fc539e9e90668cd169a87395250c
Manifest21a991875e316e363a93c2191c6ac4f83b84105b146c33940bbdbea4e212dceb

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
SignatureVzezXRb7UFCIRHuhoVXKqtiGKCxMzuhXNEyr3wsctp9qao8h66AFNhZhHs9pWrracUDrl6L+aH/S0dLZ1KG8CQ==
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

2026-09-17T10:19:47.874208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073723
observed 5dfca6b8a685f25d73579f26c0b444d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.856270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073723/manifest.json
observed 21a991875e316e363a93c2191c6ac4f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.837315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073723/publication.md
observed e675952d884402ccb086b841ffc1ace6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.817913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073723/publication.txt
observed 019a976bfe0e0b4538c37e0a918cd349...
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.