OpenTechnical

OT-2026-000025398

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000025398) never changes.

Identity and time

Publication numberOT-2026-000025398 · never reused
Internal UUID01a0ae71-5fa7-765e-8763-9ae933faa7f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025398
StatusPUBLIC

Content hashes

Canonical textbfde27a32da6013b86c35539007014faec396afe20503ca5faeb69db266abf73
Markdown7cb76565f1fec0a5a2cd32bb35df58401c835d6c032a508d8d3069be6e381122
PDF
Publication page003e1fd76af8e3962d72dc5f3f7fb8fa6e60f7054cf16f84aaca1d0e45c71d4f
Manifest14f943be583985fba1a2180ea99ad9bb682ea0845013bede9e78666c2e08ab63

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
Signature5qx2g7mg0EDun3/celqPlDBeWg2R8peS0R8GOx3OvDwJsgcqLbG6/lGfJA3Exf2PzD+oqvNZ1TLmn1+wx0IxDw==
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

2026-09-17T11:47:27.968678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025398
observed 003e1fd76af8e3962d72dc5f3f7fb8fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.950199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025398/manifest.json
observed 14f943be583985fba1a2180ea99ad9bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.932609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025398/publication.md
observed 7cb76565f1fec0a5a2cd32bb35df5840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.913348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025398/publication.txt
observed bfde27a32da6013b86c35539007014fa...
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.