OpenTechnical

OT-2026-000072430

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000072430) never changes.

Identity and time

Publication numberOT-2026-000072430 · never reused
Internal UUID01a0ae92-89d7-748c-91d1-7f55f036ac0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072430
StatusPUBLIC

Content hashes

Canonical text6d53f040ceef8c4f67708010414bf4915c19ac4d8e9a3350d027f38b8b73ba4a
Markdown5132184f43afb9105ff6ba3654d04953e4711d67f2704484492a9e8bd5b3a6a2
PDF
Publication pagebbc0eb06a8042a0e8e85e2d335b67806654f9114e0e932d8253a45db3da0cb04
Manifestd95b08a7ee3a5b7f7501326475abad6d4cf06c5f934cbaca00738d3ab2a2c2be

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
SignaturehWj31qCEiqaReE8IX/WpkjVrqGLJDkKUtdvYv+QfeaNCRVYC0J2w3UoazUYAeJzBzHVWt0jxhQLOW3QQrr/dAg==
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

2026-09-17T10:22:14.711716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072430
observed bbc0eb06a8042a0e8e85e2d335b67806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:14.692472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072430/manifest.json
observed d95b08a7ee3a5b7f7501326475abad6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:14.675043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072430/publication.md
observed 5132184f43afb9105ff6ba3654d04953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:14.655882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072430/publication.txt
observed 6d53f040ceef8c4f67708010414bf491...
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.