OpenTechnical

OT-2026-000074151

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000074151) never changes.

Identity and time

Publication numberOT-2026-000074151 · never reused
Internal UUID01a0ae93-7177-7fa6-853a-a56563400a51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074151
StatusPUBLIC

Content hashes

Canonical textbb5ff9d02af68e9457c3bd32311df564e72802543b1e14b4b89f63da69aeba6d
Markdown47cef3659950a2deae24b331d9756862a1db6471dbe87f059bfeab41c9578303
PDF
Publication pagee31f64fd4b039e2b520040652bfc5dc926d375ead17eba93b8eb580ee595b3ee
Manifestbcd6a3d3325d05ad8846138d6ad6613f81ce73e8e1c2308291854e2c962b212e

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
SignaturekhtGrDFg02y+HtUpPEXS3cBVbHWh/OQjXl6uNcdhmlvYb9pi6mo/KET5GFXFE6sHGB6Hvnp123+TiH12vOpcCg==
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

2026-09-17T10:18:59.906407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074151
observed e31f64fd4b039e2b520040652bfc5dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.888548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074151/manifest.json
observed bcd6a3d3325d05ad8846138d6ad6613f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.870591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074151/publication.md
observed 47cef3659950a2deae24b331d9756862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.855473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074151/publication.txt
observed bb5ff9d02af68e9457c3bd32311df564...
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.