OpenTechnical

OT-2026-000023353

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000023353) never changes.

Identity and time

Publication numberOT-2026-000023353 · never reused
Internal UUID01a0ae70-7268-738a-a55f-e2906a6b6501 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023353
StatusPUBLIC

Content hashes

Canonical texta58a5d5b31ae13c2e9262324e2557ebc2acef822a6832bedda11e1a873bb9637
Markdownf40e0f2b5ae78b843c6969504ae5c8894e3373b1eb6742f03f54267283ebc9d8
PDF
Publication page1d71c3f6ea9daac266c8bcc97c6ba9d5219a6795b743b12ffb16819f482a5a3c
Manifestccd9d85d48ae287eac583c713dd1e0c0bec70b1be0c371cf4d290ded998cb9bf

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
Signature8feHUoGGd+2yLu7IEpzmxOpOC5T2gvTU8vS5PVXFBbEDGd1J3PfquJSFX+1V/6vcR9WYktSEkA1ERSJLMsCpAg==
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

2026-09-17T11:51:26.849824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023353
observed 1d71c3f6ea9daac266c8bcc97c6ba9d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.832779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023353/manifest.json
observed ccd9d85d48ae287eac583c713dd1e0c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.815234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023353/publication.md
observed f40e0f2b5ae78b843c6969504ae5c889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.798085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023353/publication.txt
observed a58a5d5b31ae13c2e9262324e2557ebc...
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.