OpenTechnical

OT-2026-000102289

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000102289) never changes.

Identity and time

Publication numberOT-2026-000102289 · never reused
Internal UUID01a0aea4-50f3-7bd9-8fd4-a46771977187 · 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-2026-000102289
StatusPUBLIC

Content hashes

Canonical text114e7131d34d01837b4ccd96a2bb1ad34f44ba017df34f1d1b0f79db73b9300d
Markdown1233b157e90ae2f35c8c458082867ea2feaf88738f452b725ab549e8906d242f
PDF
Publication pagebc87342234d21516c83a135e9a889b6d9d646df0061800e54f022fcb6de58e66
Manifeste0ff5d0eeaca8d5f1ce0b726e89db6a6b30d35b4feb35638861927dec3c8d123

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
SignatureIJnCp5q2JLKbIh+bpQfY7Lyk/wjY9YSHoha/YwMh1wUIJPb7mYTlmM4XcL/TmNHqOLNFAQTPv8cjMzoB7p+UAg==
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

2026-09-17T09:25:28.937392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102289
observed bc87342234d21516c83a135e9a889b6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:28.919401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102289/manifest.json
observed e0ff5d0eeaca8d5f1ce0b726e89db6a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:28.900303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102289/publication.md
observed 1233b157e90ae2f35c8c458082867ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:28.882260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102289/publication.txt
observed 114e7131d34d01837b4ccd96a2bb1ad3...
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.