OpenTechnical

OT-2026-000015541

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000015541) never changes.

Identity and time

Publication numberOT-2026-000015541 · never reused
Internal UUID01a0ae6d-ef4a-7b29-908b-ab7ae549920e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015541
StatusPUBLIC

Content hashes

Canonical text0a5685192a21256bb86151b0a98121cbe0f3b2ed5adc999aa6309b8156acf25f
Markdownaec0832a9ad1fc83593f72ccce1bfdb1d97654fa35bc4d6acf9952cdb3c15f1b
PDF
Publication pageee17efda1e55072aabbfaa70ea39a2cee1b83f3af7c7ff3f96d9c7d408b54ad6
Manifestd79b42eb1f327b48ae3d7ae3b987c4252b1a68a7de0344a44072e6a9c412fb2a

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
SignatureMtUvVI3B4BgD2LKkmqjBjgH2uyUAYIZCp9bm7pjNU8EI0PKxBq522GRCAKjkw/pOZ1SaI7ItRGEICeQrsJiuCw==
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

2026-09-17T12:06:19.403576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015541
observed ee17efda1e55072aabbfaa70ea39a2ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.376931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015541/manifest.json
observed d79b42eb1f327b48ae3d7ae3b987c425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.358311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015541/publication.md
observed aec0832a9ad1fc83593f72ccce1bfdb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.331591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015541/publication.txt
observed 0a5685192a21256bb86151b0a98121cb...
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.