OpenTechnical

OT-2026-000013646

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000013646) never changes.

Identity and time

Publication numberOT-2026-000013646 · never reused
Internal UUID01a0ae6d-8de8-726d-8eb8-3961a293cdf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013646
StatusPUBLIC

Content hashes

Canonical text649aac2781c9c2556e058b762120e0e7bbb9003da89aad266382b74dd841c64b
Markdown2aa97febdf6d07ff0961b39dd0ad71d8837f2c6ec30e336c300c405550e25404
PDF
Publication page969e2464de50d9a9c411485e5ac16037b34f9545b5463b1d7da1ab03e6c0fe39
Manifestea157d81bab3cd1b6445346f5a797d8702b19545fb0a8d2cacb2e377e0c8a22a

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
Signature62xIegqTD5QFnLhg2JLE6URkpD8PvaAz7eGOOPpXFQU3NNt23+naMgHUVvCyn0hRnFGFFQo1yesRRkstKSZsCw==
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

2026-09-17T12:08:34.975106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013646
observed 969e2464de50d9a9c411485e5ac16037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.956304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013646/manifest.json
observed ea157d81bab3cd1b6445346f5a797d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.938701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013646/publication.md
observed 2aa97febdf6d07ff0961b39dd0ad71d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.918127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013646/publication.txt
observed 649aac2781c9c2556e058b762120e0e7...
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.