OpenTechnical

OT-2026-000062358

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000062358) never changes.

Identity and time

Publication numberOT-2026-000062358 · never reused
Internal UUID01a0ae8c-0abf-75f6-9bd6-60a2510fbb6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062358
StatusPUBLIC

Content hashes

Canonical text6d17aaa049c01f7427bb126409429e9ebf1e5afc3a0c008cda6925a4c30eabd2
Markdown5c0e9aeea073336a0ef00b50d5b39f94d907ea54792d4d647d08bb77c89ecb95
PDF
Publication page64b41ceaffcf2d480710afaa9d34958f01b6d87822a18b275765102d3c3adbe2
Manifestce5318611215acd4caf37381d43e4b0cf4fcf84aef5074067f3bce9074429c84

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
SignatureiHqmoIo+CE7TkrnYRoNXG5eCZN+3ZybUSJ0Z7rDMSBoOvGwNal/RpwlKArx1dz3JcSivUj+8SzZRw5QwFs1kBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:40.414864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062358
observed 64b41ceaffcf2d480710afaa9d34958f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:40.376537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062358/manifest.json
observed ce5318611215acd4caf37381d43e4b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:40.359290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062358/publication.md
observed 5c0e9aeea073336a0ef00b50d5b39f94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:40.319869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062358/publication.txt
observed 6d17aaa049c01f7427bb126409429e9e...
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.