OpenTechnical

OT-2026-000097042

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, 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-2026-000097042) never changes.

Identity and time

Publication numberOT-2026-000097042 · never reused
Internal UUID01a0aea1-01c9-79d9-a716-79617b597b5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097042
StatusPUBLIC

Content hashes

Canonical textecbe0dd3434012070b6b87ad7506cb0133cd66bb940c6a85ca4f9c745e6185a5
Markdown09595dfcc48ab71ff81ab72af64ad58568738d8ce187aa0b72ff2047d442cc2f
PDF
Publication page755922b8569bd962e38952755ab3433598318afa7369c25ec2470d2db2ab8833
Manifest470deea9db347f10e4b8df0fd970a2469a6eb7095e92eedf394d6297fa9730c6

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
SignatureQGIwApyh6LpOOQIn89V/wi9ripsVPOA/P4A9i9xMe6bTPgfL4Z3pMaib8M4gqoU/1Nsq9/O5GTDiyPxQpzxwCg==
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

2026-09-17T09:10:34.430957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097042
observed 755922b8569bd962e38952755ab34335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:34.411654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097042/manifest.json
observed 470deea9db347f10e4b8df0fd970a246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:34.383112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097042/publication.md
observed 09595dfcc48ab71ff81ab72af64ad585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:34.365356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097042/publication.txt
observed ecbe0dd3434012070b6b87ad7506cb01...
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.