OpenTechnical

OT-2026-000011964

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off before set-down

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-2026-000011964) never changes.

Identity and time

Publication numberOT-2026-000011964 · never reused
Internal UUID01a0ae6d-1942-7d91-9eeb-017ff6041abd · 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-2026-000011964
StatusPUBLIC

Content hashes

Canonical texte3942bc5abaf93ee8c27a196077f63e278e74327b4f9a75cb521abbcfbdf299e
Markdowndbd369099ab020715e67c733419b2ac92c6be7db663ca4a374d1928e71de14be
PDF
Publication page747abc14d83157681ba732c0808deee9b754e63c9e909602f70c5ca817f17a02
Manifest9f7ae7e13145dea2dade717ec01250b452a4d1062dd2c122d72683fdcc7b3b02

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
Signatureg60HCprpSp2flZ0lSRPUpEQ0DEFQL0JQ1B96+dPMhtjxCfAT0P81/ILLOq3s+uoyA6eVhyHGhX4JVoScZO2FDA==
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

2026-09-17T12:12:48.978442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011964
observed 747abc14d83157681ba732c0808deee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:48.956468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011964/manifest.json
observed 9f7ae7e13145dea2dade717ec01250b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:48.934141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011964/publication.md
observed dbd369099ab020715e67c733419b2ac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:48.914986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011964/publication.txt
observed e3942bc5abaf93ee8c27a196077f63e2...
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.