OpenTechnical

OT-2026-000034453

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000034453) never changes.

Identity and time

Publication numberOT-2026-000034453 · never reused
Internal UUID01a0ae76-1ecf-7f6e-858b-945d766be8c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034453
StatusPUBLIC

Content hashes

Canonical text7ed806b880b7a6c20aa1cc93746323684a0e69085ee1e01bb1cc684a2929d4f8
Markdownc6cbe81416e2d9f68a6b12c4c30acd67cc924484524a9cd3ae911d187b2efb01
PDF
Publication paged9e27ebd22df1aec6f20bfa5bef27c9c24b7ddbecb1f85061ed6672491a88ac0
Manifest1e893bad54e50a66a7b17a8ddefe058d9e8a64af890962ead52f54176bd2a253

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
SignaturebyRMAguZruBs3RH9OdFSAmBEU3RluGZNTobvuEkzcfErS7La6EtO8YrW+8Iw8SaSZ81SAj0D9RwsKOiNjwU0BA==
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

2026-09-17T11:28:46.551815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034453
observed d9e27ebd22df1aec6f20bfa5bef27c9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:46.533363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034453/manifest.json
observed 1e893bad54e50a66a7b17a8ddefe058d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:46.515721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034453/publication.md
observed c6cbe81416e2d9f68a6b12c4c30acd67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:46.497431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034453/publication.txt
observed 7ed806b880b7a6c20aa1cc9374632368...
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.