OpenTechnical

OT-2026-000101372

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000101372) never changes.

Identity and time

Publication numberOT-2026-000101372 · never reused
Internal UUID01a0aea3-c379-74c1-b02f-455a20b9381e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101372
StatusPUBLIC

Content hashes

Canonical text922e73aa592c46de4f5d8d50432b27decefa77ee0a2247ba3ecbd2478bd07193
Markdown7fa42c42e471edbc04a8c031a07503a27aa6682783ff1d8324d851d3aeaf9c62
PDF
Publication page5fd53516783b6a9ab8b89d18433dd7d58c193074772d18af4984aad71c43d1f5
Manifest607337f9357585376004e97ec4a53244e9bcc8dbc7fff00e5f7c2166916738cd

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
SignaturexiGQ7LU5od510I4UFbCwLumm7IhGRcAqLMJfQy5B4GRnKQB7t9/Su35/T11BObAl3TiWhJ9rl01nBtv1A9zmCw==
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

2026-09-17T09:27:05.503166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101372
observed 5fd53516783b6a9ab8b89d18433dd7d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:05.486451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101372/manifest.json
observed 607337f9357585376004e97ec4a53244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:05.467760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101372/publication.md
observed 7fa42c42e471edbc04a8c031a07503a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:05.449832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101372/publication.txt
observed 922e73aa592c46de4f5d8d50432b27de...
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.