OpenTechnical

OT-2026-000072602

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000072602) never changes.

Identity and time

Publication numberOT-2026-000072602 · never reused
Internal UUID01a0ae92-89d9-7a1e-96b5-c9944f177ba9 · 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-2026-000072602
StatusPUBLIC

Content hashes

Canonical text666b690c161b5628a924b07b4341129442f917b022d34349f57d8198df8419f7
Markdownecb88875cac990c494f6b53b52174cab4e8e5ba34d148dd18cb2cbca70cc94b4
PDF
Publication pagefc36d6a426ac29e00f0bb74983e7b29c2bddf103ca6acce57f55342c593ebabc
Manifest72f960bf721794d0cbfde0167183a1c35c1dacdb20d9c2b71c116f5cee5019f6

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
SignatureD5kCxggo0QsrDDnaQ6DMc6RGfwvkkm5UP4W2wFpNQtKvUvtD2Ke4yO+Kvt8bH400ZYExBcfqmeRxxxjstTDaCQ==
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

2026-09-17T10:22:26.931639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072602
observed fc36d6a426ac29e00f0bb74983e7b29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.913618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072602/manifest.json
observed 72f960bf721794d0cbfde0167183a1c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.896330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072602/publication.md
observed ecb88875cac990c494f6b53b52174cab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.878059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072602/publication.txt
observed 666b690c161b5628a924b07b43411294...
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.