OpenTechnical

OT-2026-000078587

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000078587) never changes.

Identity and time

Publication numberOT-2026-000078587 · never reused
Internal UUID01a0ae95-7c29-79e5-beb5-3dcd6af1c247 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078587
StatusPUBLIC

Content hashes

Canonical textde75c9fde33cb791c9544af62a616fcbaef1df53ea0e2a4ff22e471b6d826a40
Markdown155bb016b83dbfe8980ed8e9dad518fa4d4e7a6a21c6900f37173d92978c711a
PDF
Publication pagee8b3c2fd291f98b357b8cb464ca7a2c48379167ccb8a2f298165020d3b26872b
Manifestad7c24ee5e5f1b5cf2c3da5fc03ec43094b4993b11062169560bd2261d854810

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
SignaturerTXUw9QSGZTb+wqD/+JDx06yO97Fnh494R5CjiLoeBu3oDTGR6U1kW+jLqYi0Dakd2wGILbXzlhtGALhnIZRBQ==
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

2026-09-17T10:06:36.883763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078587
observed e8b3c2fd291f98b357b8cb464ca7a2c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.867521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078587/manifest.json
observed ad7c24ee5e5f1b5cf2c3da5fc03ec430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.850487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078587/publication.md
observed 155bb016b83dbfe8980ed8e9dad518fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.829326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078587/publication.txt
observed de75c9fde33cb791c9544af62a616fcb...
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.