OpenTechnical

OT-2026-000034297

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000034297) never changes.

Identity and time

Publication numberOT-2026-000034297 · never reused
Internal UUID01a0ae75-df0e-726f-bd13-2b7e5b46d4fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034297
StatusPUBLIC

Content hashes

Canonical text48e1a926776d4b138e42484c7a637bc97e604e7db64f53523a99aa1017a9b2b7
Markdownb97c9c6c6f2e85bf144be044b455c6c776edb81d8005847a3ab438a3c34f6dbc
PDF
Publication pageb2446bf25b862539e2f64f8e7e283f7f1273be18484e50f216ce46c930c25f19
Manifestb72b3b194adf4521598ce2fa17f7e579b6ecfaba927e1e61cd1cadec5fb7dacd

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
SignatureF+FyPhoenhjvmjn61ZWnEcdDchYIKk5gFwt7DgTnHPG1AXkUpp8I1xI15GPutlXEl9A1UwykdSW1TFoTne6cCQ==
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

2026-09-17T11:30:59.175067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034297
observed b2446bf25b862539e2f64f8e7e283f7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:59.160441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034297/manifest.json
observed b72b3b194adf4521598ce2fa17f7e579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:59.144459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034297/publication.md
observed b97c9c6c6f2e85bf144be044b455c6c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:59.119535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034297/publication.txt
observed 48e1a926776d4b138e42484c7a637bc9...
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.