OpenTechnical

OT-2026-000063840

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000063840) never changes.

Identity and time

Publication numberOT-2026-000063840 · never reused
Internal UUID01a0ae8d-53b7-7884-8c81-d9a01a098cae · 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-2026-000063840
StatusPUBLIC

Content hashes

Canonical text2a9eb5c6814bf3b89ae55fdcc73022c9e05f9713104cf15bbdff35738f4e64f9
Markdownfb246527fd5d4725b14f59b06d5e776cdcf1d0509ebbdcf4beb732b88faed8a4
PDF
Publication paged336e376b0a8bf385d5c922466da546f35f6ab7ae1599d51cab9f2464af054e7
Manifest4ab55871308679b9e166873f2a475ef0e04bc859daa008963ae72cdcb947b1e4

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
SignatureCzvCdjDgdaUfUxI7WPxzwjmRzr641jheWxrpIaiGxtWkHSWalhFqwdZfsJj8//c4p/zF7zUj7Oh6KkMVA75+CQ==
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

2026-09-17T10:36:52.059008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063840
observed d336e376b0a8bf385d5c922466da546f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:52.040784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063840/manifest.json
observed 4ab55871308679b9e166873f2a475ef0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:52.022899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063840/publication.md
observed fb246527fd5d4725b14f59b06d5e776c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:52.004679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063840/publication.txt
observed 2a9eb5c6814bf3b89ae55fdcc73022c9...
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.