OpenTechnical

OT-2026-000088372

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000088372) never changes.

Identity and time

Publication numberOT-2026-000088372 · never reused
Internal UUID01a0ae9b-5d27-71f7-b6cc-a08064160c66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088372
StatusPUBLIC

Content hashes

Canonical textbdcf50bd720c9077a3be5e042553bdd4ced33bb6a2c08251d4830e83375e4492
Markdownbd5154a104803e1547cb9dfa8c49bcc8a68a337ab4432237f8c62b6a7f6c7e7f
PDF
Publication pagef587d1edc6f7f691f707aed6dbc44c92bea346c8b90fe8fb2d713b240418cb2f
Manifest6da2c8f2b3297d4dd573cb3405c1c483cead1cf167b4b0485abbc897970cb89f

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
SignatureJy4hVveMIqHS+IW1qVbL6jI9f4YqVYqcZ/zN+jCxbIyzcDk6ADQoGua2LrD3M8m9pXNhUs2L9uCk/To78BYNAg==
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

2026-09-17T09:48:43.416038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088372
observed f587d1edc6f7f691f707aed6dbc44c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:43.398370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088372/manifest.json
observed 6da2c8f2b3297d4dd573cb3405c1c483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:43.378463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088372/publication.md
observed bd5154a104803e1547cb9dfa8c49bcc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:43.358867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088372/publication.txt
observed bdcf50bd720c9077a3be5e042553bdd4...
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.