OpenTechnical

OT-2026-000101413

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000101413) never changes.

Identity and time

Publication numberOT-2026-000101413 · never reused
Internal UUID01a0aea4-0e14-7c2d-b62e-701fb0dda965 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101413
StatusPUBLIC

Content hashes

Canonical text599164a00390b2c4dd6f92813474dc2fea9d4d74f81ac480952c5b10ac73233f
Markdown4ba17b0a3e1562a255b37e75a9c25bca1747f50d6ba727f988cbeb5c5a9ba2ca
PDF
Publication page88c5ce243b01570a17802049a659844f649ff6a81792cad950645407a17e1434
Manifest52a9940792190afbbe053079298e6fa408dcc1baa75fa6cbbbb237ee98d04204

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
SignatureIbwGNVsF3510utPxVk2E42Ae5IUSWLNhlzvUn30vFL8HAN2YJVrZlfa44uweKIRske9C2YfPmAmb6OJXTLLqDw==
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

2026-09-17T09:25:57.492263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101413
observed 88c5ce243b01570a17802049a659844f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:57.471667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101413/manifest.json
observed 52a9940792190afbbe053079298e6fa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:57.450630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101413/publication.md
observed 4ba17b0a3e1562a255b37e75a9c25bca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:57.430782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101413/publication.txt
observed 599164a00390b2c4dd6f92813474dc2f...
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.