OpenTechnical

OT-2026-000007308

Publication integrity record

Porous face vacuum gripper, three zone face, plant vacuum fed, vented before set down

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-2026-000007308) never changes.

Identity and time

Publication numberOT-2026-000007308 · never reused
Internal UUID01a0a97a-20d9-75b8-9013-fbe360cb89b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:09:08.444276Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007308
StatusPUBLIC

Content hashes

Canonical textf1b5000b06eda34af0ef04159cec4689e2bf650797346a3eadc397bdbe2f0d1b
Markdown1f3a6f2f8ecaf94b6734f32d317453b775d70142a47e38b14f7b622debb90e13
PDF
Publication page3147144258ec9df64f7709a6a5ff84fd3dc3e6989d406ab212e661ad77083511
Manifestc88f5b2f509cf31eb73ee6343465ff5dfae38901ac0c1487e2edc9e4192863ab

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
SignatureUISlEBI/Aqx1zzFo1Ttf7ttxO0scflvwSqCJkaA2BEJHLB3l3Se+kB8NlIBXs+K4b0C7MBiN8rPynXDQ9+c8Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:05.430223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007308
observed 3147144258ec9df64f7709a6a5ff84fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:05.416471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007308/manifest.json
observed c88f5b2f509cf31eb73ee6343465ff5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:05.402868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007308/publication.md
observed 1f3a6f2f8ecaf94b6734f32d317453b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:05.390311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007308/publication.txt
observed f1b5000b06eda34af0ef04159cec4689...
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.