OpenTechnical

OT-2026-000036083

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line 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-2026-000036083) never changes.

Identity and time

Publication numberOT-2026-000036083 · never reused
Internal UUID01a0ae77-01cd-7e98-8954-e08999eadf98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036083
StatusPUBLIC

Content hashes

Canonical textcf95075a53cd7bf2898a4d7db09398811277fbc562fae1515316b0fff6491bb8
Markdown858ac1d38157f61eccab825cf49caf5fa5d3e528b230e69d796a3f4a718deee0
PDF
Publication page47ead9df9a54aefb4cd5cf84ac53f89873c1dcafbf38adf775cf13d6f0d51834
Manifest792b34c70d7535b998271e65465ef0c9f5dae0e300788165e80415ba9e868926

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
SignatureHlMsChHr84PNOyyPT+VEp1KJMc6ZwN/PVtLaWdssov5H8peuBj5rsY1WdINTXieCTIeck4KBZCRvVA/2FsybCQ==
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

2026-09-17T11:26:16.344597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036083
observed 47ead9df9a54aefb4cd5cf84ac53f898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:16.328369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036083/manifest.json
observed 792b34c70d7535b998271e65465ef0c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:16.310719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036083/publication.md
observed 858ac1d38157f61eccab825cf49caf5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:16.294958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036083/publication.txt
observed cf95075a53cd7bf2898a4d7db0939881...
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.