OpenTechnical

OT-2026-000045040

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed 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-2026-000045040) never changes.

Identity and time

Publication numberOT-2026-000045040 · never reused
Internal UUID01a0ae7c-f767-776f-a452-fc4bb4a4a135 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045040
StatusPUBLIC

Content hashes

Canonical text0541ee824e7bd404b6e5f27d92281eceb094aaebe23f8e0cdf74c4873a82f43a
Markdown2fa607d043276e6d264770cc29e2d91d34b9b2e8c35431d7b551bf22d62ea58e
PDF
Publication page73653ec2c9c6f3e88bc262025ec6284bab3ccb6bd6c8bb282fc3de934c7bbf3c
Manifest054562ca0bc9d4eee7bd31fdf75ed8fe23948194def49f646243516ecd2339fc

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
Signature6KeyuwSNvXw5kkkAw9V/qR6D78DujPyp3LK5WCuGVtNped6edSOo2bsETq0G0zjaeMZc9/ACNip86OkqwmbrAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:03.499176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045040
observed 73653ec2c9c6f3e88bc262025ec6284b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.474944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045040/manifest.json
observed 054562ca0bc9d4eee7bd31fdf75ed8fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.456448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045040/publication.md
observed 2fa607d043276e6d264770cc29e2d91d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.434473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045040/publication.txt
observed 0541ee824e7bd404b6e5f27d92281ece...
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.