OpenTechnical

OT-2026-000049062

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000049062) never changes.

Identity and time

Publication numberOT-2026-000049062 · never reused
Internal UUID01a0ae81-134d-743f-8739-9b8a6d44b0ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049062
StatusPUBLIC

Content hashes

Canonical textf7bdac8d30f644c6732a79393a23808babf9123984a7d0a017998876dcfbb5dd
Markdown00e6121f15ff15b4e536bb0ab3c6e3af2b944301f7c075a940b9f4884d57bc3b
PDF
Publication pagece9c4b610b4c40844ee380fdb2f209ff853718a634a8b41b47880fb4b37cfe6e
Manifest384340c263017ac40fe60619c397e9f3390b92f164d6b07e1fe1650f6c17f737

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
Signaturesp5Z1AQyWpk6R88ao9OeNV9u5UN2bzhz95lfBj2E9QOBKCbh4RYZ7o7+ZmGcMk8Fw4VaXsMoTadpdkPberZvDg==
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

2026-09-17T11:03:17.676507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049062
observed ce9c4b610b4c40844ee380fdb2f209ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.659659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049062/manifest.json
observed 384340c263017ac40fe60619c397e9f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.641662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049062/publication.md
observed 00e6121f15ff15b4e536bb0ab3c6e3af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.623106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049062/publication.txt
observed f7bdac8d30f644c6732a79393a23808b...
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.