OpenTechnical

OT-2026-000078509

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000078509) never changes.

Identity and time

Publication numberOT-2026-000078509 · never reused
Internal UUID01a0ae95-7c29-760e-a5f3-3dd0a36f42a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078509
StatusPUBLIC

Content hashes

Canonical textc9ba20e672c964440b3adadfaeeabc1cd8569644c8f5c61323aa737503da030d
Markdownfa54a00d4b16d15fdd71740886d880bcfe328fccb290e1000f5e50718605882a
PDF
Publication page73c126ed0069c9038434acbb15de2cfc81577c1f7e295141d9d76a3900d1ace0
Manifest572515750dec415a9dc1cdd6469c82146467fe5c5e1429002f9ae9e6bd48c89e

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
SignaturedkxDmJ8redooEtmayukULJOkqDfLav1urfDBM4ZDtKX5NiyCAfMeUM0KIGZU0fXpXKUVQR1sdgj1DSdM1qCZBw==
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

2026-09-17T10:06:31.392634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078509
observed 73c126ed0069c9038434acbb15de2cfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:31.375092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078509/manifest.json
observed 572515750dec415a9dc1cdd6469c8214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:31.357483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078509/publication.md
observed fa54a00d4b16d15fdd71740886d880bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:31.340709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078509/publication.txt
observed c9ba20e672c964440b3adadfaeeabc1c...
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.