OpenTechnical

OT-2026-000029205

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000029205) never changes.

Identity and time

Publication numberOT-2026-000029205 · never reused
Internal UUID01a0ae73-2aa0-756f-b54f-64bb52d4cb4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029205
StatusPUBLIC

Content hashes

Canonical text1c532472b05fca1860676a84e57ffab18c464b61d4024cccc25191e6d126c86c
Markdowna5bbc225f49ac1a50b0e40642e4678fabd0fd26935bd113cdbaa0e835f74dd85
PDF
Publication pagef09ab74810f125d6f1cec56f33a1de80626e984bd2264d067ef63c201fc594c3
Manifest2594eae2d3cc4864c809c6ee46cf70f76ad8b6e78914673155c798c9c748160a

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
Signaturen8+JEYtTye2yN+yQXm0/cB1VO9kREh682tIjtx3TWIyVOcvcGeyQU3US8S5XtIjDpfjyTbYghdDzzTC+JSnMBQ==
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

2026-09-17T11:39:49.292894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029205
observed f09ab74810f125d6f1cec56f33a1de80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.274712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029205/manifest.json
observed 2594eae2d3cc4864c809c6ee46cf70f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.257600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029205/publication.md
observed a5bbc225f49ac1a50b0e40642e4678fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.240205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029205/publication.txt
observed 1c532472b05fca1860676a84e57ffab1...
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.