OpenTechnical

OT-2026-000087936

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000087936) never changes.

Identity and time

Publication numberOT-2026-000087936 · never reused
Internal UUID01a0ae9b-1aa6-7236-ab4e-444abedf0008 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087936
StatusPUBLIC

Content hashes

Canonical text2c710a7d31552586127c5c81531466799d1e262cc807009589be38018ae17ca7
Markdown94db342940f7fec3d988e61cf4cfe287c814bf245327206e499233936bfdfbe3
PDF
Publication pagea212ad51fc778ea701bef6d24dd77d61ec92cd65a822e4bb1eff6c096b569857
Manifest480bde15751089cdab3922518624d881265cfdfce27492b7e54602f4acdad1ec

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
SignaturecMqT2qjhwutxIXGHwJj8GrbuXxPzJXd+7oTjOPNVnlI4RgnfdIrT8/9nUW/a8uUrlIpqDky1ivttsrb/9LGTDQ==
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

2026-09-17T09:49:09.017359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087936
observed a212ad51fc778ea701bef6d24dd77d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:08.996853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087936/manifest.json
observed 480bde15751089cdab3922518624d881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:08.976803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087936/publication.md
observed 94db342940f7fec3d988e61cf4cfe287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:08.954798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087936/publication.txt
observed 2c710a7d31552586127c5c8153146679...
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.