OpenTechnical

OT-2026-000073274

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum 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-2026-000073274) never changes.

Identity and time

Publication numberOT-2026-000073274 · never reused
Internal UUID01a0ae92-efb7-75a4-9a2e-2a80d8766438 · 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-2026-000073274
StatusPUBLIC

Content hashes

Canonical textfb740327768ed8ee4bccdf456ef770d53dc6362713712a56d0c304b063299f8a
Markdown589a1b27529684e3c1593139ef943dd22c7aed8ae06ca4d106de91bf551d0769
PDF
Publication page853782c2de7b15e7c96da9fb22ba882a62f646a6db3cdfc06cc44cf24ad46795
Manifest487840d84f42cf4803da9c99a361a8ecf79e54a2b26d21bc4b350bd75454c713

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
SignatureZb4+YUMnRQC3K2pd0s7iPjuG3OZRDRRwdXdXMdjDvNqgj8IZZ2FBctOaCyoEBuS5jc/yB8jg2eJt4mB1h8hmDQ==
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

2026-09-17T10:21:16.608499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073274
observed 853782c2de7b15e7c96da9fb22ba882a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.588700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073274/manifest.json
observed 487840d84f42cf4803da9c99a361a8ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.573032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073274/publication.md
observed 589a1b27529684e3c1593139ef943dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.555375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073274/publication.txt
observed fb740327768ed8ee4bccdf456ef770d5...
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.