OpenTechnical

OT-2026-000064663

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, 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-2026-000064663) never changes.

Identity and time

Publication numberOT-2026-000064663 · never reused
Internal UUID01a0ae8d-deb8-754f-80ad-05ce8579aea6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064663
StatusPUBLIC

Content hashes

Canonical texta0bc49c478a6b019fd6071486970f0d2321638a10d390ad4c65bcc6a6cc4bf04
Markdownca9947089d967ae8b06a6a7c1266894b33cd979bc86558322b9f6bf12b35dace
PDF
Publication pagedc28a4315dc6a635e0ea1b77db7aa40ee24fb6c56e338eaee6e5afc48a967df7
Manifestd2ab02c7e48615073406c656426a78c732ac1b2969e1a5b94d6600c590660701

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
SignatureTlWHglm1V5PDZKs37TvoI2PB5CtefYj6Fk7brQknWIm1neJRC+ulZ0kwoVzfs7dH20PRAVWdl96ToIFP5V2TAg==
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

2026-09-17T10:35:27.332975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064663
observed dc28a4315dc6a635e0ea1b77db7aa40e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.315300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064663/manifest.json
observed d2ab02c7e48615073406c656426a78c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.298318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064663/publication.md
observed ca9947089d967ae8b06a6a7c1266894b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.282375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064663/publication.txt
observed a0bc49c478a6b019fd6071486970f0d2...
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.