OpenTechnical

OT-2026-000064251

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000064251) never changes.

Identity and time

Publication numberOT-2026-000064251 · never reused
Internal UUID01a0ae8d-a460-76c6-afc0-8e92274752a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064251
StatusPUBLIC

Content hashes

Canonical text07d749018ebd2a70b6d9476b2b461cd607fcdf05e825fe3478bab6d3e4cf8444
Markdowne0eaa11d6bc8440b70a0d892de9b525ba9560376a57e192e2a5e79f8ffc6dc3b
PDF
Publication page8da7ac02c860581c944aacdf1b98e1527c43d487ce6fa867db19c837e7c3fa61
Manifest7068b39ea7d8afa300f0149944b45eb0d0387722a4729ffbc0f0208340a74270

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
Signature7CpI4tm/7rxjdiM8Sr9B3Rw7RKP6ZaYPQqni+F3nVDYGmIoWoQK6T5PzvkCdYmKz7BrnojT4FynvPQFLeOGpDw==
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

2026-09-17T10:36:22.930265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064251
observed 8da7ac02c860581c944aacdf1b98e152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.911266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064251/manifest.json
observed 7068b39ea7d8afa300f0149944b45eb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.894114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064251/publication.md
observed e0eaa11d6bc8440b70a0d892de9b525b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.875322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064251/publication.txt
observed 07d749018ebd2a70b6d9476b2b461cd6...
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.