OpenTechnical

OT-2026-000041930

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained 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-2026-000041930) never changes.

Identity and time

Publication numberOT-2026-000041930 · never reused
Internal UUID01a0ae79-e8a6-7d2f-929a-1a8cb898f64d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041930
StatusPUBLIC

Content hashes

Canonical textbe6cfdbbb856e11878c117b400477523b5986750a8b0987290ed4b6372391773
Markdown6f881b74fd69bdd8289434b3ff8307202f1dc7a34d1af5fe7c82364fadb6525e
PDF
Publication pagef107286eac3134dd864c966710fdedc7822719f7e4b0728abdf4bb79d703674c
Manifest26bd1914f31d0cfc3ad86bded4c9120d28d38193d235ec7a52787cc4b03fc1ae

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
SignaturekjckuILQxTroNwLIgFSYIzorQvhDZAFQL7BWr8oofEg8BbMNQTO2+e+EUe88t8uTOPhAgGYuy0W5lvodIujbAw==
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

2026-09-17T11:16:49.045881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041930
observed f107286eac3134dd864c966710fdedc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:49.030279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041930/manifest.json
observed 26bd1914f31d0cfc3ad86bded4c9120d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:49.014407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041930/publication.md
observed 6f881b74fd69bdd8289434b3ff830720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:48.997449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041930/publication.txt
observed be6cfdbbb856e11878c117b400477523...
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.