OpenTechnical

OT-2026-000079215

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000079215) never changes.

Identity and time

Publication numberOT-2026-000079215 · never reused
Internal UUID01a0ae96-0b8f-77dc-a618-1b5b1eeae95a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079215
StatusPUBLIC

Content hashes

Canonical text5544dabde45623361b6af2a45d7682d068b04f1e2df517001daab80c0fea871b
Markdown2e7dc57483d7eb9ccb5e43c928193196b3e5e110ef3ce704ae3e2a5aae3dc2c5
PDF
Publication page0a42808dfe66a907595396469c11a62903c1890564c16c6f8e21f4add49ab422
Manifest760d23e84e0efc7c8989fba95fb0ad567f85760e0ac8b6189092e2739db2f0f6

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
SignatureCYTbQuTd9Ev6wHeOUEQda1wb3Mt/fpVJ15Ux4Q70eOcbfqIW1x32VTHcPTcnCCbL87b8nL5wlk3kvk42fEexCg==
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

2026-09-17T10:04:48.454690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079215
observed 0a42808dfe66a907595396469c11a629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:48.438054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079215/manifest.json
observed 760d23e84e0efc7c8989fba95fb0ad56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:48.420397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079215/publication.md
observed 2e7dc57483d7eb9ccb5e43c928193196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:48.402976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079215/publication.txt
observed 5544dabde45623361b6af2a45d7682d0...
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.