OpenTechnical

OT-2026-000099670

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, sustained 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-2026-000099670) never changes.

Identity and time

Publication numberOT-2026-000099670 · never reused
Internal UUID01a0aea2-c976-73ac-a9e0-7d84fb20f833 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099670
StatusPUBLIC

Content hashes

Canonical text7afe536157e9ee867d658d54d14d40e622992e044f71ea7b3ed057b0335719f6
Markdown603d13fd4af4412bd4a6c83a75b5724fc3de9760fcf421ed6a5187c6b5c21637
PDF
Publication page25fab8f6e31036024ce949722471f72e4f619f8bcaa04fd40c4d7f540a540518
Manifestd92474494c76ef2f77a4366415e582c9078620b750d376ebc7ef7bad2f9d42c9

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
SignatureWwh0RG9OqX6frVuYzuMpPWTww7Vtq1ExcQn29nEZUVz080ZUkjx0+5yweWnQU3qpkqZmAnE9VAP+5gbOsVEGDw==
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

2026-09-17T09:29:36.697423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099670
observed 25fab8f6e31036024ce949722471f72e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:36.677993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099670/manifest.json
observed d92474494c76ef2f77a4366415e582c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:36.660678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099670/publication.md
observed 603d13fd4af4412bd4a6c83a75b5724f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:36.641417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099670/publication.txt
observed 7afe536157e9ee867d658d54d14d40e6...
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.