OpenTechnical

OT-2026-000014616

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down

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-2026-000014616) never changes.

Identity and time

Publication numberOT-2026-000014616 · never reused
Internal UUID01a0ae6d-d092-7697-8a4c-e52ccb0fc27f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014616
StatusPUBLIC

Content hashes

Canonical textdfa437fcf8b46beb245d9c623d4166eb3d39be98a6fbac7176686a5c3449174c
Markdown3b5bbd545299722f6c0913d1fd9adb39ded3d7f310ad5447960d47281d9fb98a
PDF
Publication page748cbc964fda0e4169cf1d840654e976a93d5fa86242b2635e2a714b09d7d6fd
Manifest7d767ff146e6a0f4a0eecaebbfc2afb57269b5bb9ec0493174ac5e33971138c4

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
Signaturel6s8rp+elnK8Pv+y++ipHz2Lrecl3otOqL48nK4b4tCpze1Ub/R7mkAPHGlhOW9QcuZkabb0etX4P9BJzggoAw==
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

2026-09-17T12:06:25.574237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014616
observed 748cbc964fda0e4169cf1d840654e976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:25.555516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014616/manifest.json
observed 7d767ff146e6a0f4a0eecaebbfc2afb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:25.536314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014616/publication.md
observed 3b5bbd545299722f6c0913d1fd9adb39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:25.517327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014616/publication.txt
observed dfa437fcf8b46beb245d9c623d4166eb...
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.