OpenTechnical

OT-2026-000075505

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000075505) never changes.

Identity and time

Publication numberOT-2026-000075505 · never reused
Internal UUID01a0ae93-f202-7b53-af61-49b061d188fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075505
StatusPUBLIC

Content hashes

Canonical text7bb5e2dd0a8f741bded5d5e71b16e193b9de05918e20c076b2877158ab85e1cc
Markdowne9553204ec44589f5e4eb3c1eb3ef692bfbc1742bcae2d67200119ee4b0f53ab
PDF
Publication pageedb25e0132c7ef57e07074cbad1ee7cabe7bb0bc8f2d76f1526473c74cb20576
Manifest8d4c4e445775cfff6f84ed6ae8cd20273acd08bbe6605fba9eaf44c546517c47

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
SignatureATmf0zj5dhxfEAIKz9UZmweVypaaisKl8Lb/Wdh5s1w+wGRphMhQPituGJJk3M0aLMDMpM2Cy79bVcZ89WRjDw==
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

2026-09-17T10:17:55.975321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075505
observed edb25e0132c7ef57e07074cbad1ee7ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:55.956499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075505/manifest.json
observed 8d4c4e445775cfff6f84ed6ae8cd2027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:55.812006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075505/publication.md
observed e9553204ec44589f5e4eb3c1eb3ef692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:55.790971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075505/publication.txt
observed 7bb5e2dd0a8f741bded5d5e71b16e193...
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.