OpenTechnical

OT-2026-000104209

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed 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-2026-000104209) never changes.

Identity and time

Publication numberOT-2026-000104209 · never reused
Internal UUID01a0aea5-3420-741e-a0a9-58360addea42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104209
StatusPUBLIC

Content hashes

Canonical textbd6fdb3a35d9b41d50c052706f877ccbfb3702cebb9882143882c89fe10f564c
Markdowncbac0a4ff5072caadfbe3dab3f3735f9f76e9c02efc4908e7f0b70b6177a2f7a
PDF
Publication pagef5f06c42ad4523a8f1dc378c9ba3e194c64609efa4abc38af5493ce41e4c84ba
Manifest0099aa6a8dd2d7feeee89fa3b011d2ac35600f5f94d5bb9f733c9ca5ecbbe786

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
SignatureYOe4L+uhfLxB/OevDpm23puiyvJ3LtS2DkrmnkmDeJeAl0akYukF50wY9kh04c2T2FX5el48rHCBwD3DZNGnBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:18.584823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104209
observed f5f06c42ad4523a8f1dc378c9ba3e194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.567429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104209/manifest.json
observed 0099aa6a8dd2d7feeee89fa3b011d2ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.549472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104209/publication.md
observed cbac0a4ff5072caadfbe3dab3f3735f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.533548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104209/publication.txt
observed bd6fdb3a35d9b41d50c052706f877ccb...
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.