OpenTechnical

OT-2026-000037443

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000037443) never changes.

Identity and time

Publication numberOT-2026-000037443 · never reused
Internal UUID01a0ae77-b8ce-79a4-a806-1526d5bc3b60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037443
StatusPUBLIC

Content hashes

Canonical text49d2dd8cf61fae86757523979cae29e698fb9366c28297c9e9931e43d43800ad
Markdownf08e8c0f22d16883a861bb8bb4eddb8e86ede19b497f2cf6b5f28e4482432149
PDF
Publication page59c0e3c2b1adf419b66d07b5df7d16ea4eedfff239db81240db8c8258f156ab1
Manifest6f3df0b2c494df55095f4d2085a6a121f9221b914983e42374bc572d9d8791fa

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
Signature9XpdmFNg3HynsO62KXVJXSF17f4t+cxm5lWw4VZ/yZ5tzSpVjRTJqyFnPV8cEhWTKWFz6vcZwkqaqndGGKaACQ==
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

2026-09-17T11:23:52.533299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037443
observed 59c0e3c2b1adf419b66d07b5df7d16ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:52.516762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037443/manifest.json
observed 6f3df0b2c494df55095f4d2085a6a121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:52.499318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037443/publication.md
observed f08e8c0f22d16883a861bb8bb4eddb8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:52.481110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037443/publication.txt
observed 49d2dd8cf61fae86757523979cae29e6...
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.