OpenTechnical

OT-2026-000043695

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000043695) never changes.

Identity and time

Publication numberOT-2026-000043695 · never reused
Internal UUID01a0ae7b-92d1-794d-a1cd-dfb5649aea12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043695
StatusPUBLIC

Content hashes

Canonical text0b5b45b14b8288a233f230a710bf2e87986a02a7e7205edd02947fd2c4d3e433
Markdown69526a9caf005aa97fb87295585b1c12c51b1f1fc4b24a425bf98e95522eb952
PDF
Publication pagea4cd8f6a92b43ea66e666e4b801dcbd73390bbf506b7d4b52f217853fd3e7e5c
Manifesta888e5e0eb925b3b1453217c5c4b43e273ea704fc384ceddd8622ab8f1272b23

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
SignatureYIIi9j048TCG55JM7NBPkemv5CnO/GeI2o6r//YEa3v+5dOjtxZPO/Kf3Pn0YSC2+JpS637JCeOmsO/CIi2XBg==
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

2026-09-17T11:13:11.361725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043695
observed a4cd8f6a92b43ea66e666e4b801dcbd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.342708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043695/manifest.json
observed a888e5e0eb925b3b1453217c5c4b43e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.325563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043695/publication.md
observed 69526a9caf005aa97fb87295585b1c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.303624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043695/publication.txt
observed 0b5b45b14b8288a233f230a710bf2e87...
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.