OpenTechnical

OT-2026-000046652

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000046652) never changes.

Identity and time

Publication numberOT-2026-000046652 · never reused
Internal UUID01a0ae7e-57de-718e-aaa5-ee020ae2161b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046652
StatusPUBLIC

Content hashes

Canonical text0b06d2fae9c1b66bad6ba62a78f87f016b07d69f9f244bfc04e9573a14bb165a
Markdownd1a17a525c23964547cfd5a35a3c6c6a0a472bb605c60e769879b4795d712d8c
PDF
Publication page88714290df34634dfec5367c24757669533ceb93932d4b8ae5f278c114afb45f
Manifest82efa1588291f621df32b83eea0cba52a3dcb1cc1092c2b8bf8c03cf597b4177

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
SignatureSqcKeU0mjMSKHB5hmjDD92YI8DZW/wkmosJOOfcgC/E211wpNmpZp+UThOhMvsuM/OAvQ271wBYA2g1YpbhzCQ==
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

2026-09-17T11:08:44.702299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046652
observed 88714290df34634dfec5367c24757669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:44.685314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046652/manifest.json
observed 82efa1588291f621df32b83eea0cba52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:44.667210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046652/publication.md
observed d1a17a525c23964547cfd5a35a3c6c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:44.647090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046652/publication.txt
observed 0b06d2fae9c1b66bad6ba62a78f87f01...
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.