OpenTechnical

OT-2026-000100882

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000100882) never changes.

Identity and time

Publication numberOT-2026-000100882 · never reused
Internal UUID01a0aea3-c376-7218-98af-22dbf219dc84 · 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-2026-000100882
StatusPUBLIC

Content hashes

Canonical textd60ee7c7436d27d92ff4e628c80bc2b3fc6d2c3ae2e34296e866b1f333e2baf1
Markdown07bcd1975f8faea963647886abc6094f50738e0aed448860c3c52ecd9f2fbc20
PDF
Publication page693a4dff0033454a182d9655e22c26272b6714802e9ef5cb3ce65bd2193d5b30
Manifest4cbe4e47d9dfaba94f9c4d51340efead81923713ce2fcaa88ff87a0824a13bf4

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
SignatureUj62J+r0XQO29VkEnPNsb9AJGiW0Eiy5iml2mfPIhZl3VSjvfuIu9ZXc/zMlhKfNadP9BALMTQWjGTziV+B5Cw==
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

2026-09-17T09:26:22.329700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100882
observed 693a4dff0033454a182d9655e22c2627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.311430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100882/manifest.json
observed 4cbe4e47d9dfaba94f9c4d51340efead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.294309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100882/publication.md
observed 07bcd1975f8faea963647886abc6094f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.277812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100882/publication.txt
observed d60ee7c7436d27d92ff4e628c80bc2b3...
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.