OpenTechnical

OT-2026-000066700

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000066700) never changes.

Identity and time

Publication numberOT-2026-000066700 · never reused
Internal UUID01a0ae8e-ce42-739d-8c4b-73267672e56e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066700
StatusPUBLIC

Content hashes

Canonical text6cd0e20a8d9f8983508f574c2acfe1541b6dff09da7321a384e8fba0b97c38de
Markdown82c0c1d0956ff6728cb477350b88a8a6e744063aaf36595fec071992bf6c5ab8
PDF
Publication page150f17508e8231b1b178b8b52adcba180b7d6f30b71ad7b94865c17638005a03
Manifestf9f4a2eac0f387fb63e059e2c7c5782d6456bd1c5b1495a78a920ec8c61be15b

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
SignatureOS2GL4Hbm1CYM137JR28Z6w+e8Nx3v1IQyhwgoCj5cmRenIjLVJ+0yZ+FeVRIBM8xaEsfUgjWDYDDnFdzw80Cg==
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

2026-09-17T10:33:06.027488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066700
observed 150f17508e8231b1b178b8b52adcba18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:06.010682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066700/manifest.json
observed f9f4a2eac0f387fb63e059e2c7c5782d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.992489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066700/publication.md
observed 82c0c1d0956ff6728cb477350b88a8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.974954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066700/publication.txt
observed 6cd0e20a8d9f8983508f574c2acfe154...
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.