OpenTechnical

OT-2026-000038056

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000038056) never changes.

Identity and time

Publication numberOT-2026-000038056 · never reused
Internal UUID01a0ae77-f88b-74ea-9eb7-3b7885484bf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038056
StatusPUBLIC

Content hashes

Canonical texta73b363de8d249ce521f62af5e3a08e148ed4714af84f2adf887a4406d1ec1a2
Markdown4ecf08c7db916eff9e27c9a7096c2deecef2190af14bff1ded9d7c524c4f4ca5
PDF
Publication pagef50eeac6b3e6e9b10434d7225e7bff082b53a3307b6c3302bf3b6147483c859b
Manifestd769d6356ef6d4536b6cb283cb5a334d914bc54e59503e1044fbbabeca82a6a9

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
SignatureOyfdNbhoq1luR0Exyyf63+wovd4rf0oFbqLGhwwBziYsNWiuqmAxrBaYTXKByE03eQzaFx6PH7VRbZd8SPhaCQ==
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

2026-09-17T11:23:22.558887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038056
observed f50eeac6b3e6e9b10434d7225e7bff08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:22.538710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038056/manifest.json
observed d769d6356ef6d4536b6cb283cb5a334d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:22.515914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038056/publication.md
observed 4ecf08c7db916eff9e27c9a7096c2dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:22.494009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038056/publication.txt
observed a73b363de8d249ce521f62af5e3a08e1...
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.