OpenTechnical

OT-2026-000018652

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000018652) never changes.

Identity and time

Publication numberOT-2026-000018652 · never reused
Internal UUID01a0ae6e-d520-72e2-986a-2fa3604b1209 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018652
StatusPUBLIC

Content hashes

Canonical text8ec19ad5ab751877f471a8c80e019082c525d7ba49ad9ff0f9a84a8777350023
Markdown5657a9da09d12ee1624889b568ddb9df874b96d9982e4da67632cd154d66a1e1
PDF
Publication page734d0db2f986044841c7ce6c1ac3604cb4aeabc0d9bc760ad4c7103674478783
Manifest336ed9e96aad473219efcc6c0234e9f17290251c945c91d18580b6f03896bcfe

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
Signatureq6r3dDvxLamlcD0U5iRLpOlmF1r/tMI35jm4PaHtyBH7qNoqLA+E3nxQUE/NLZGUwSSZ65A61Mcgw5RsmvmFCw==
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

2026-09-17T11:59:09.211466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018652
observed 734d0db2f986044841c7ce6c1ac3604c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:09.195119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018652/manifest.json
observed 336ed9e96aad473219efcc6c0234e9f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:09.179121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018652/publication.md
observed 5657a9da09d12ee1624889b568ddb9df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:09.161648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018652/publication.txt
observed 8ec19ad5ab751877f471a8c80e019082...
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.