OpenTechnical

OT-2026-000070331

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000070331) never changes.

Identity and time

Publication numberOT-2026-000070331 · never reused
Internal UUID01a0ae91-545e-71bf-a7de-79c067728ca1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070331
StatusPUBLIC

Content hashes

Canonical text53cd9d2cf6dfe6cbc73217d6c9262a90b04fb40cbe79a8070886403af443b010
Markdowncfa13897545029bf9af23976b2749f3fce686cd2ac9881f8d48050dbf8d55977
PDF
Publication page016e3c33fe5205cdceeecb64b1c683cb0d53b632b79454fcc6e067f98e70c753
Manifest76ba1a375a6f71743ee200e0f4343f57e238b75662ecd2875f9e149774c4076e

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
SignatureW9FIkGThySvJ46Nqf732wM3ibIzzcoeRQWd+wIRycUFQVMtMQTWYXUTvKN4ZDBCnfED7pwTjy0WqwTiDp1WrBg==
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

2026-09-17T10:26:07.407625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070331
observed 016e3c33fe5205cdceeecb64b1c683cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:07.392067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070331/manifest.json
observed 76ba1a375a6f71743ee200e0f4343f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:07.375568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070331/publication.md
observed cfa13897545029bf9af23976b2749f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:07.357849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070331/publication.txt
observed 53cd9d2cf6dfe6cbc73217d6c9262a90...
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.