OpenTechnical

OT-2026-000072516

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000072516) never changes.

Identity and time

Publication numberOT-2026-000072516 · never reused
Internal UUID01a0ae92-89d8-7823-aedf-b9d0a3351424 · 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-2026-000072516
StatusPUBLIC

Content hashes

Canonical text218f665ef76aad8f45639a227f975b42c7055febcdb20a3b2758c1b687a79328
Markdownd4831ac8250b1debf417123428e9da1295ad707825c77b7af6f755fc6faabfb1
PDF
Publication page8a34e0bfb8cbf29fddc13ede0cb316d4f6c6f2de291f1cc3d70bfb0df7258fda
Manifestf52374d0308ed72e888d5dbe54bf9ec0c6b1493d593ce914edd8e90df3b29f3f

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
SignatureQgponxa08pmVIeKvV1IWa9p+JYd6KjrmaWsS5ZHwQJoEtvvDYXfDW69dA92PgG7kdDfLEpgSbwQLs2OfSaVqBA==
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

2026-09-17T10:22:20.771570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072516
observed 8a34e0bfb8cbf29fddc13ede0cb316d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:20.752850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072516/manifest.json
observed f52374d0308ed72e888d5dbe54bf9ec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:20.734341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072516/publication.md
observed d4831ac8250b1debf417123428e9da12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:20.715989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072516/publication.txt
observed 218f665ef76aad8f45639a227f975b42...
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.