OpenTechnical

OT-2026-000071349

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000071349) never changes.

Identity and time

Publication numberOT-2026-000071349 · never reused
Internal UUID01a0ae91-e0ed-76cb-9f2a-117c5ce9646f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071349
StatusPUBLIC

Content hashes

Canonical textedd073834dede4f4c292e24b61ee81b7724ce8eeb755c020c16b19cc6c14cf90
Markdownf382fdf74025e9ee264a372282f224aacbdbae542e450f4e4a7be28d7edff743
PDF
Publication paged804fb9949998d3156d4d0bf80626776a1e9e5c168f8dd8a385bea1f14d324a0
Manifest443ffc0ae7474b047b22f1477d7d72ff6ba75e2b86db72146f8a55d4b3cf9e6a

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
Signaturegc/K7WXth3wgo5jDqXoERhUkr3JpNruEI1gp0I3KRE3jLy2fB5E1tR1bVfrgysidC72hHvSc3ZyuEzt8h+xWCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:57.230804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071349
observed d804fb9949998d3156d4d0bf80626776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.213163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071349/manifest.json
observed 443ffc0ae7474b047b22f1477d7d72ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.195715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071349/publication.md
observed f382fdf74025e9ee264a372282f224aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.179002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071349/publication.txt
observed edd073834dede4f4c292e24b61ee81b7...
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.