OpenTechnical

OT-2026-000010447

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, vented after 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-2026-000010447) never changes.

Identity and time

Publication numberOT-2026-000010447 · never reused
Internal UUID01a0ae6c-0ee6-7ad5-b9f4-30dcb22936fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010447
StatusPUBLIC

Content hashes

Canonical texte93c78fbd699bf92d3996252e3234108a1b83f2766662a6bc79615447030a6ff
Markdown12afd252cd74d0f195cc9ba32a1b124f0e46e630f0be02f2c3f0988871dd196f
PDF
Publication page293d2770457f442cb25661e9567bc685b606b11086c827a7389299187552c192
Manifest8817c869b48e040d120248e50c12143d22c882891f0f32f08514e44bf1b8cf70

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
Signature2um2ybbS2dtnMcmxwFT+mfBEGMpQDvnlt7uPB6wWFpT1BMpOkvGQvDk3Fv6s8DpJJxnykUNcLBczW6Mra18wAw==
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

2026-09-17T12:14:34.918221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010447
observed 293d2770457f442cb25661e9567bc685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:34.900631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010447/manifest.json
observed 8817c869b48e040d120248e50c12143d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:34.882352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010447/publication.md
observed 12afd252cd74d0f195cc9ba32a1b124f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:34.863895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010447/publication.txt
observed e93c78fbd699bf92d3996252e3234108...
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.