OpenTechnical

OT-2026-000102307

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000102307) never changes.

Identity and time

Publication numberOT-2026-000102307 · never reused
Internal UUID01a0aea4-50f3-7d69-8c5a-78f91305989f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102307
StatusPUBLIC

Content hashes

Canonical text9ae5204a5b8ed829642474ae77543cee17c2f4bda9d3032f8eb7552b05909f74
Markdown546d187f8d51d90ae351928c9d547006bb89e6b31c31122b48c74dfd443a75c5
PDF
Publication pagece66741b4a2298e4bbfec6d9545a8580171288f7027afcefb15d7d2912d0859b
Manifesteb57b58d429c86fa6ae9d2afefcb5e28616dd9ea284061d3eec4c353f1bc4033

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
Signature/BJjcVzR3246w5x+a1ZBCgYonjRpocY2nB/wVbaSGnSoHO0yW26sGlXuBgLbr5i2ST/T1yDMRpHI/14DiiizDQ==
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

2026-09-17T09:25:30.112316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102307
observed ce66741b4a2298e4bbfec6d9545a8580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.095557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102307/manifest.json
observed eb57b58d429c86fa6ae9d2afefcb5e28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.077989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102307/publication.md
observed 546d187f8d51d90ae351928c9d547006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.058651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102307/publication.txt
observed 9ae5204a5b8ed829642474ae77543cee...
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.