OpenTechnical

OT-2026-000063944

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000063944) never changes.

Identity and time

Publication numberOT-2026-000063944 · never reused
Internal UUID01a0ae8d-53bb-73cf-93f1-587065c36a64 · 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-2026-000063944
StatusPUBLIC

Content hashes

Canonical textf89c684af017dbac7ac2fdf6e1af7a635a3d7d5d6104dda39d8076ecdae47bb3
Markdown392c50b155178848413ae8bdcff2c07875ccd3634b1d899a88920ac24da3f72a
PDF
Publication page357bd2efa875de4e169ebd39e0239cb853a7bb24b39dedb1f2d42c708d720788
Manifest4685fc2f9e420b95eb13272d806867e499e1c48c1654c03edee980b018516f6e

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
SignatureCKjD33hQa/Sf5W7fx/VA5RXoRqi3xwfZOgN1cnbNWsejPI+G69FpFWdyxdAvxRSF4kmu0riL6AtoW4oeRYf1Bg==
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

2026-09-17T10:37:00.132670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063944
observed 357bd2efa875de4e169ebd39e0239cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:00.112153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063944/manifest.json
observed 4685fc2f9e420b95eb13272d806867e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:00.091367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063944/publication.md
observed 392c50b155178848413ae8bdcff2c078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:00.072443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063944/publication.txt
observed f89c684af017dbac7ac2fdf6e1af7a63...
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.