OpenTechnical

OT-2026-000031522

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000031522) never changes.

Identity and time

Publication numberOT-2026-000031522 · never reused
Internal UUID01a0ae74-87ae-79a8-a327-cf970a25ae95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031522
StatusPUBLIC

Content hashes

Canonical text57a8a05b524672ed435c34fce4d15c08a3e25608a07ab792255e0887697792b1
Markdown70b18b6aad8dbc41d3fa493909724ac04f16311752614b4ce8de7d2ff3f36d30
PDF
Publication page92ae7fbee4e75d8255c2244779911ee9ccb7ead3d2b5d2941603e945d7202d72
Manifest2405d78b647bb000bf334f31e592730d3965a80278f415eca95148eb6e55050a

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
SignatureT9u321uGcWsTFHimqo2tzjCWaZzD47jwpAWALGn0ZWBSxM1Ylo/zp3E4Bcl9j0s5dbRAw1LGsl6bJqiIcAjsAQ==
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

2026-09-17T11:36:21.530701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031522
observed 92ae7fbee4e75d8255c2244779911ee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:21.514677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031522/manifest.json
observed 2405d78b647bb000bf334f31e592730d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:21.496158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031522/publication.md
observed 70b18b6aad8dbc41d3fa493909724ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:21.475871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031522/publication.txt
observed 57a8a05b524672ed435c34fce4d15c08...
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.