OpenTechnical

OT-2026-000070553

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000070553) never changes.

Identity and time

Publication numberOT-2026-000070553 · never reused
Internal UUID01a0ae91-5460-7451-bf7a-a7b8ee487c08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070553
StatusPUBLIC

Content hashes

Canonical textb2c1b9a9a5a55a3a7c1960826eaf43a0f877c859bef05124bf4adced9cc39166
Markdownd36afa4a3bd82a8fc1cf061d21c432ee9de8cad3ad6fa16a2eeed99b0f6508a0
PDF
Publication pagec0fd29a0c8728bb1673e92956fe14439b9c9e65d50b0aa89f1e2ff8c51ed5355
Manifesteaca2615990e47a099703993140c99bab3c5e79733ac150b2f46266674436b82

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
SignaturerXHQkpX5S5rMl5Isnv5A0AjX1IA9I9eeMcyt+f+zWeJ1eSu2mtXcf8rsLkfIuHY9/x6rKY4qkcArXGGsVLIeAg==
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

2026-09-17T10:26:24.112306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070553
observed c0fd29a0c8728bb1673e92956fe14439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:24.091065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070553/manifest.json
observed eaca2615990e47a099703993140c99ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:24.072063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070553/publication.md
observed d36afa4a3bd82a8fc1cf061d21c432ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:24.053667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070553/publication.txt
observed b2c1b9a9a5a55a3a7c1960826eaf43a0...
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.