OpenTechnical

OT-2026-000031726

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000031726) never changes.

Identity and time

Publication numberOT-2026-000031726 · never reused
Internal UUID01a0ae74-bad0-7388-8489-b6d37dbb6c64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031726
StatusPUBLIC

Content hashes

Canonical textb07d323a57899f5c3adc5eb3f3fa959dd819c3d649a8d20eeaa63b36ea9a9d91
Markdowncc8cdf5aab8ffd53fb38e9b61220efd3bed237b44da589730ba20e748bbc31a0
PDF
Publication page67ca7b6e14a417583d7fa7861af6c7be6d439e9afb83709915b6bf3ebb2f68f4
Manifest6db89cff766c23a71a86411be7e7a285d0c5a4d9245e88307dc12ffa1046eff9

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
SignaturercZ14LFTqzf1md6gLLT2nf0rFWDdtQ/koO5/1rxihfyd5SDjHjibpKxoJnRm75gKysddQzAl4UmiaALncWcLCQ==
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

2026-09-17T11:34:50.383222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031726
observed 67ca7b6e14a417583d7fa7861af6c7be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:50.364664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031726/manifest.json
observed 6db89cff766c23a71a86411be7e7a285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:50.347960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031726/publication.md
observed cc8cdf5aab8ffd53fb38e9b61220efd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:50.330325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031726/publication.txt
observed b07d323a57899f5c3adc5eb3f3fa959d...
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.