OpenTechnical

OT-2026-000095152

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, sustained 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-2026-000095152) never changes.

Identity and time

Publication numberOT-2026-000095152 · never reused
Internal UUID01a0ae9f-8f6e-7cee-b433-6524d0c07eca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095152
StatusPUBLIC

Content hashes

Canonical texta6b7045ac93c2f8c270ce03918b08c12c9c5616a57499d31f34a02e03b214230
Markdownb96afb376b27f6b4328994ed0ce0a992772dfb15d2b8acdc4396bcd0006e5540
PDF
Publication page3f77ba4dc0d413678e654e94d775c8afbb1a7d0459f2907dc533647c027f6064
Manifest2701ec3779ca730eed3e5eab4d6cf3826a5e1efdf5d993e84ddc43c7bb6569da

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
Signature2WBT4OcBdGQXIw+SIpW7DngLJSRjG6kSvOx8fWxBZkH7pBAGK9Du1YsMPv7nYp/0bWSv1dH+Z1XzmXJFNMccAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:27.197128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095152
observed 3f77ba4dc0d413678e654e94d775c8af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:27.180079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095152/manifest.json
observed 2701ec3779ca730eed3e5eab4d6cf382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:27.162831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095152/publication.md
observed b96afb376b27f6b4328994ed0ce0a992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:27.146669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095152/publication.txt
observed a6b7045ac93c2f8c270ce03918b08c12...
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.