OpenTechnical

OT-2026-000097647

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000097647) never changes.

Identity and time

Publication numberOT-2026-000097647 · never reused
Internal UUID01a0aea1-92f3-79a0-b2ad-cb8356e568f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097647
StatusPUBLIC

Content hashes

Canonical text797e7453ebfe7f491660b1ef341d64553f1466681d7d6ae3929bb4bce1fdbb1b
Markdowne40c10542890a00f203228ea1f856a81791c5024227afb0c6f11677cd95b24b8
PDF
Publication pagec071cc903e4d1cb64a5a2e2c06c5fa475fed88018bef639904e534c802d9039c
Manifest10da53548331c4e0e1af77b09cb52a36fce1d7bee71c0862c8936590e548ea27

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
SignatureDZfk0BaQYuD4QK/MncQ0i3H8WzPTv1cH11QzlwJi8N/lcZgAX3+3avJvmDUYcYNtycBrkF9jfD8IDP9T4UtqBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:39.682912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097647
observed c071cc903e4d1cb64a5a2e2c06c5fa47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:39.666043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097647/manifest.json
observed 10da53548331c4e0e1af77b09cb52a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:39.645823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097647/publication.md
observed e40c10542890a00f203228ea1f856a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:39.626213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097647/publication.txt
observed 797e7453ebfe7f491660b1ef341d6455...
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.