OpenTechnical

OT-2026-000039223

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, supply line 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-2026-000039223) never changes.

Identity and time

Publication numberOT-2026-000039223 · never reused
Internal UUID01a0ae78-9673-71a1-a4ab-48fb2706bfa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039223
StatusPUBLIC

Content hashes

Canonical texte3ad6c6fe8c85f869d829acd7e7739a06e66a6d32e9b12b252e9aea153bc408f
Markdowne737dc4f0f51450a6a8fc488cddf5bf65bccb76a6a12320e3c174b9ff2a9a6f5
PDF
Publication page2a9f347006468783a0a38c5f573946cc35b265633ffafd8917e3cc7c708289c8
Manifest06c40c20f420aa1c36c57aac8d6276d6d23de4647e62c4315a66fa2ca1bdf74d

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
SignaturewdgYvJratp39XQpCbKFqLE68986XQudueL72qMzJeyJdDnijDGQukhSPGDMjUH9wd1UdCjzvLOOvuIQd55oQBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:46.483236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039223
observed 2a9f347006468783a0a38c5f573946cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.466208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039223/manifest.json
observed 06c40c20f420aa1c36c57aac8d6276d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.447542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039223/publication.md
observed e737dc4f0f51450a6a8fc488cddf5bf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.428997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039223/publication.txt
observed e3ad6c6fe8c85f869d829acd7e7739a0...
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.