OpenTechnical

OT-2026-000064063

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000064063) never changes.

Identity and time

Publication numberOT-2026-000064063 · never reused
Internal UUID01a0ae8d-53be-76af-89ad-e4c02864f476 · 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-2026-000064063
StatusPUBLIC

Content hashes

Canonical textc7a8da9a6a275fce8fe1cb3c794a6fe32e6297d95ff0349370a63e57ecc80af3
Markdown24da932554f9097528a8e4a068941ea9a4593ccc1e00a5d2716bd3861086ab20
PDF
Publication page99efff803666edc47fe6f5f5c503a5f2f9293e2d98ce490f0932542fe35e4148
Manifest6a4f954bfa315dce1407a106d5ff56ce6cb4c9bb205d373546679fce63d34d3a

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
SignaturenYq8DblffgXkYHXM7Yrml86GHUJfNX/WjG8IFPXIa3UB1PT0eenWOLiw6YPu69F2Se3tF1xFvLZnf5/fuvWFCw==
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

2026-09-17T10:37:09.701120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064063
observed 99efff803666edc47fe6f5f5c503a5f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:09.683617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064063/manifest.json
observed 6a4f954bfa315dce1407a106d5ff56ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:09.664425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064063/publication.md
observed 24da932554f9097528a8e4a068941ea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:09.644171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064063/publication.txt
observed c7a8da9a6a275fce8fe1cb3c794a6fe3...
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.