OpenTechnical

OT-2026-000074561

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four 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-2026-000074561) never changes.

Identity and time

Publication numberOT-2026-000074561 · never reused
Internal UUID01a0ae93-717b-7c54-ac75-4a4fcfdfb0e6 · 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-2026-000074561
StatusPUBLIC

Content hashes

Canonical text07c1d7364870a1b28c0cb4c69fe3a7c3e286bf8ad3af37b7fcf5ddd02cbbd84e
Markdownf91630d04284f1d0d2d4123629aa2aca5e11a09d9f64f498bf421678dd5cdb62
PDF
Publication pagea5aeafb0747fade590908ad0bdfe35118f6ff0fc96160fd681003b67100243c1
Manifest5ab46b41ea4cdcb3e65f5a2c793ffcaf06a398f8331095ca11843700f2f65795

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
SignatureskKncGQHpj9xKTvBoxrK9JkzQqBsU/hXj7Qcc6TXNSAHShKlhNDprc6gxSimiVSFOz/fFOMhsfTrHyqV66MKCA==
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

2026-09-17T10:19:34.531727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074561
observed a5aeafb0747fade590908ad0bdfe3511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.513863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074561/manifest.json
observed 5ab46b41ea4cdcb3e65f5a2c793ffcaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.491499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074561/publication.md
observed f91630d04284f1d0d2d4123629aa2aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.472246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074561/publication.txt
observed 07c1d7364870a1b28c0cb4c69fe3a7c3...
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.