OpenTechnical

OT-2026-000030545

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000030545) never changes.

Identity and time

Publication numberOT-2026-000030545 · never reused
Internal UUID01a0ae73-e504-7ad0-8b59-2931b746fae7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030545
StatusPUBLIC

Content hashes

Canonical text2ed4fade7215234d9b42ce8eb3c5fda4d81f4580000306bc6245a2ecdbb473f5
Markdown6bc90e58d355bee24806e98b732b3291545d207658aa12b32ffc55fde733546e
PDF
Publication page248cd408f244581e744dac31e5f22ee56b13864f5558e3315631a6850d7b934c
Manifestb44e34df94595132698e4deccff58375b315a0f98ad696ae2ade3c069e718106

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
SignatureQl3lIGznkAZpDkSoH5ihdQ39rtkkESP9VGpTeTdObJSwCbRNtTXZY8DbcpoCVNmuZydN7OEhk4+TrXxL1RkQCw==
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

2026-09-17T11:38:22.846939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030545
observed 248cd408f244581e744dac31e5f22ee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:22.829992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030545/manifest.json
observed b44e34df94595132698e4deccff58375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:22.811954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030545/publication.md
observed 6bc90e58d355bee24806e98b732b3291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:22.793286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030545/publication.txt
observed 2ed4fade7215234d9b42ce8eb3c5fda4...
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.