OpenTechnical

OT-2026-000051442

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000051442) never changes.

Identity and time

Publication numberOT-2026-000051442 · never reused
Internal UUID01a0ae83-7c80-78f7-9052-472e5d6f946c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051442
StatusPUBLIC

Content hashes

Canonical texta850969f79fe1208a7ab91b507e2621d607f3ddd9e8144100434e6b9c6414a43
Markdown1460c62af0d68449af8021674df49affbb670df54cae73df9d511cc99131415d
PDF
Publication page6e16f5c2a2bfeb08f050d5c4ce69ac2d88b563b88136d66bba32a7f4c3b2701e
Manifestec0d97ebb4e3408dc6a5654454384bd215923a823c927405462423184d08d217

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
SignaturexF3bKL32OMxGTS7dWs0hSbA4E00OshaIxu3wzbQD2Ue7GK/Ly+ZGuZmjqcJ3MgR7d8zBr2vdvMmyGtcwLqMxDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:09.998266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051442
observed 6e16f5c2a2bfeb08f050d5c4ce69ac2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:09.979745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051442/manifest.json
observed ec0d97ebb4e3408dc6a5654454384bd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:09.923061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051442/publication.md
observed 1460c62af0d68449af8021674df49aff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:09.857315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051442/publication.txt
observed a850969f79fe1208a7ab91b507e2621d...
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.