OpenTechnical

OT-2026-000103606

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pulsed blow-off after 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-2026-000103606) never changes.

Identity and time

Publication numberOT-2026-000103606 · never reused
Internal UUID01a0aea4-e461-742b-a85e-c1f46974f93e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103606
StatusPUBLIC

Content hashes

Canonical textb31b0bf1ae42ee7d8997933f9aa768d6b64b62aa188b19d4cd24492aafdd86a9
Markdowna76840e08d5d621e42a56b83778aced5f5d199d05c7acb994c0594cc68ae7718
PDF
Publication page6b7bc4d165b4bbdf8c66e27e5bddede7ed76c811de77eeb0a77a1e2fdeaaff22
Manifest5ffcd02d258cdb85e944115a93f36a9f6644cc8de087bd4c1bb51cfe1d08d29c

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
SignatureMUpUlxAdaqd/sGzK+acrvieCr+i4hFv1iAz8SxCsYUhu+ctHp7sfFt2wjg6+lYbE5x2iLQHeEurwt9tsUy4TAA==
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

2026-09-17T09:22:23.782077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103606
observed 6b7bc4d165b4bbdf8c66e27e5bddede7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.765436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103606/manifest.json
observed 5ffcd02d258cdb85e944115a93f36a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.748567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103606/publication.md
observed a76840e08d5d621e42a56b83778aced5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.731432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103606/publication.txt
observed b31b0bf1ae42ee7d8997933f9aa768d6...
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.