OpenTechnical

OT-2026-000075467

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six 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-2026-000075467) never changes.

Identity and time

Publication numberOT-2026-000075467 · never reused
Internal UUID01a0ae93-f201-7ba5-a601-1ef87a3955c4 · 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-2026-000075467
StatusPUBLIC

Content hashes

Canonical text56b4a078328ea7c2d1bdac843180fa0a99cadb32daa32ddc1c398061d49e224f
Markdownb04ab4d2abb5302aac403beee994c8917b014a57f67e3810206daa47d768133c
PDF
Publication page346585fe17e8a244fdc805e90c65887f752544b1d288746f5cac9df3a9968aa8
Manifesta63daa01d7fa795165afea60bfcdfc570e0b7e93d51ae187ae0a14778e103535

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
Signature1/dQv9J/+EQX7yb3A8ublQJ+lxanOxkHSxfjRVIe6GTF4y8R0Sodz/1YclxHgx/iEC2hd8Nm+r40aJpARBDVCA==
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

2026-09-17T10:17:45.715853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075467
observed 346585fe17e8a244fdc805e90c65887f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:45.696947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075467/manifest.json
observed a63daa01d7fa795165afea60bfcdfc57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:45.553791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075467/publication.md
observed b04ab4d2abb5302aac403beee994c891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:45.536594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075467/publication.txt
observed 56b4a078328ea7c2d1bdac843180fa0a...
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.