OpenTechnical

OT-2026-000043547

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000043547) never changes.

Identity and time

Publication numberOT-2026-000043547 · never reused
Internal UUID01a0ae7b-92cf-7b73-bf49-9dbc869f702f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043547
StatusPUBLIC

Content hashes

Canonical textf50f83c0a775a4e4610d6672172527432d348d4dcc7d6d0b80c77b513f48caea
Markdownfd583a4780bc2ad6a83a6a7c7824db4c14d6bfab85eedc0c3c8bdcc183739016
PDF
Publication page9e12f8c0e2c169b8c0cafa58c96eedb10903e2c6c0cfeb15aed7b447489b436a
Manifestd2c03f607fd954e1aef91fce251d5d94fcd05c67da8e209066c64af9aae3c962

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
Signature8QYSeZ+UxgxP9yKBD2ssXYyztnOdgofQbp6U4i/Em3PV7O+0HTE9h2RCpj7EejSN6D4dSi5sBc7vg4KzOT3/Bg==
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

2026-09-17T11:12:56.050910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043547
observed 9e12f8c0e2c169b8c0cafa58c96eedb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.030534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043547/manifest.json
observed d2c03f607fd954e1aef91fce251d5d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.007703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043547/publication.md
observed fd583a4780bc2ad6a83a6a7c7824db4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:55.985269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043547/publication.txt
observed f50f83c0a775a4e4610d667217252743...
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.