OpenTechnical

OT-2026-000011771

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000011771) never changes.

Identity and time

Publication numberOT-2026-000011771 · never reused
Internal UUID01a0ae6d-1941-7a87-9bea-0d30a81b91a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011771
StatusPUBLIC

Content hashes

Canonical text4687d252dc065badf8dc271741551ef77fb134163f500b9697ac563f1820d8ff
Markdown6a2ccd90285a8b77166cc1727f0404263c0c05e22afc4e5ecb120247f39d372b
PDF
Publication pagebeebd588ebe397e2b74ddf179f29db81fb2411c68883aa3969a7c7b65f002041
Manifestbee8d3a317e19c8afb5ea61a08d58b4dcba9bda4207f5a89bbc439448479d299

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
SignatureGot/xkHot0pIUI3/vvn+HnG+1nq4mCgRha19cBSWvjRIOR6v7cWJjLTWFXdNoUYQWwFA1pU23pO7qE5DR93xBg==
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

2026-09-17T12:12:29.155619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011771
observed beebd588ebe397e2b74ddf179f29db81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:29.134401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011771/manifest.json
observed bee8d3a317e19c8afb5ea61a08d58b4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:29.114336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011771/publication.md
observed 6a2ccd90285a8b77166cc1727f040426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:29.091763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011771/publication.txt
observed 4687d252dc065badf8dc271741551ef7...
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.