OpenTechnical

OT-2026-000087725

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, sustained 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-2026-000087725) never changes.

Identity and time

Publication numberOT-2026-000087725 · never reused
Internal UUID01a0ae9a-cd55-7b58-8f22-8be1f7cd9c0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087725
StatusPUBLIC

Content hashes

Canonical textd3eef8e6b0dba4ce030e37944d65d84a363fb122948d9ac2d3c18dd889f60be6
Markdownb0903d3ce1f0b686dbb9e0ca3fd9c0ea411bd6969bcf70d6cb25dfb5d762651e
PDF
Publication pagee1cf7ab9cafe8c2ff6986f2d5156f2a3195ee49b039dad65e98d17fd4bf60460
Manifest43dd63e2a13b0d35cd9c3300803de222280ad0e1d226a962e2304901a5283066

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
SignaturewEZKm57D9U59ZoAw+hnZ1kh0uZn9n0CrFgcZmT9M8xXdVqe58RzIbzg71HlCWSiJ/WQiLQtItOL1nbqapftgBQ==
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

2026-09-17T09:51:10.694792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087725
observed e1cf7ab9cafe8c2ff6986f2d5156f2a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:10.680365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087725/manifest.json
observed 43dd63e2a13b0d35cd9c3300803de222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:10.664402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087725/publication.md
observed b0903d3ce1f0b686dbb9e0ca3fd9c0ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:10.647167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087725/publication.txt
observed d3eef8e6b0dba4ce030e37944d65d84a...
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.