OpenTechnical

OT-2026-000064059

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, 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-2026-000064059) never changes.

Identity and time

Publication numberOT-2026-000064059 · never reused
Internal UUID01a0ae8d-53be-7878-a897-8826430f2d20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064059
StatusPUBLIC

Content hashes

Canonical textc207d13385702f74610d947ace8e9f8fdbcd01e67e06dd247487cb9f48fc954c
Markdownbab87669d28e4c283055c4792624b614b3715f7ce94574193e1989b1a69f3c08
PDF
Publication pagef3c6acb08fd21d3c86a5b5da1c1ae7c03fb64a31401a121747f5d6cceecdb499
Manifestd12f25fe3c8b3cf52093743be9905f2c0991cf72fcaac03ea0215604939b7d03

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
SignatureXxIoOf6wXNRuVS1joKipeJhnpG8QKCzqtDZP+NLB5GlCQm5MrB8ZtTp+g2/XypGn6W1yjovemgXa60HWJ4D6Dg==
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

2026-09-17T10:37:09.451627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064059
observed f3c6acb08fd21d3c86a5b5da1c1ae7c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:09.432211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064059/manifest.json
observed d12f25fe3c8b3cf52093743be9905f2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:09.412445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064059/publication.md
observed bab87669d28e4c283055c4792624b614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:09.390658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064059/publication.txt
observed c207d13385702f74610d947ace8e9f8f...
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.