OpenTechnical

OT-2026-000014067

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000014067) never changes.

Identity and time

Publication numberOT-2026-000014067 · never reused
Internal UUID01a0ae6d-8deb-7a42-99e5-03f4a61a5671 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014067
StatusPUBLIC

Content hashes

Canonical textc8b3c8b55189e53f4460fedd96b57d5ff8f60bb20457c2e9d675304409ecbe69
Markdown719593e9820ca4e95f50d4eb5474cc1f3279e474e27dff41feaf4eb16d4ffc33
PDF
Publication pageb56bdc908b73eec87d764447a3a0a8b6d768e9b6153097bf9f9fb3cde79db481
Manifestfbed2e0e25c7acccc003215ed643404f7e2baf3b89dd1302a730982aaaca6bab

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
SignatureCegTNHDv+GxF2oKPE1AlQVF95ytYxV9mUNVI2IcAMSPjON5mp0tpCt6oBTSBsh615sO+N3o4zEI6PzGAwoz9Ag==
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

2026-09-17T12:09:18.802311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014067
observed b56bdc908b73eec87d764447a3a0a8b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:18.780902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014067/manifest.json
observed fbed2e0e25c7acccc003215ed643404f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:18.763031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014067/publication.md
observed 719593e9820ca4e95f50d4eb5474cc1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:18.741320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014067/publication.txt
observed c8b3c8b55189e53f4460fedd96b57d5f...
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.