OpenTechnical

OT-2026-000064428

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line 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-2026-000064428) never changes.

Identity and time

Publication numberOT-2026-000064428 · never reused
Internal UUID01a0ae8d-a461-7c51-951d-fd33202cf3f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064428
StatusPUBLIC

Content hashes

Canonical textd2db073732ba66829a124abed6f1e6c4c948e7c59f8b2af65fcd5e4f64b07cd8
Markdown1e7ca7ba939bd6dc0218289ad4e00c6b908e625a20ff97983da9183d854af22e
PDF
Publication page5c393a9f78769c3d5ccf42e2ba1b54d3b5b3b933e1195701f7858e8244fed089
Manifest0ba4d43e71e5fc915ef5c436db8477e89d613695b9ad825ed9f8da9af3c077fe

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
Signatures62i3wbZ+l3pozAEoYd/NkqdLuelT6NgSJNEniOCOvSPGORXtHuTbdWGZdFvggqys7kiq/vXfvgN+nH1EVQiAw==
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

2026-09-17T10:36:36.658862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064428
observed 5c393a9f78769c3d5ccf42e2ba1b54d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:36.641309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064428/manifest.json
observed 0ba4d43e71e5fc915ef5c436db8477e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:36.623609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064428/publication.md
observed 1e7ca7ba939bd6dc0218289ad4e00c6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:36.603907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064428/publication.txt
observed d2db073732ba66829a124abed6f1e6c4...
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.