OpenTechnical

OT-2026-000029377

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000029377) never changes.

Identity and time

Publication numberOT-2026-000029377 · never reused
Internal UUID01a0ae73-5e20-73d4-a9b8-62acdd0c7888 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029377
StatusPUBLIC

Content hashes

Canonical text92db464351065302c519e3b9b9b68daac5517570e45d65d28954bb255a65b629
Markdown39ea07660cfe7ab46fc046a2413a54d0d1c96eb953d5d28e8404cbfbedb8a3d1
PDF
Publication page3b248c7a3b5024c3a5f20965beece05c80ee4551c901571f4ca19688ee02ad63
Manifest3b709f57700d8d7e00851ea65d09043f62f14425339fc1e642bfeeee5c948029

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
SignaturetSvuiN8XRWfK4TZtUq8xK6QF80ovXxGeKcsr+QCgLphHeVHkGrDmbe+Nj1AW45nDjNNRtFOoVOFKspryPtdwBA==
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

2026-09-17T11:38:56.486439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029377
observed 3b248c7a3b5024c3a5f20965beece05c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:56.468580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029377/manifest.json
observed 3b709f57700d8d7e00851ea65d09043f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:56.452050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029377/publication.md
observed 39ea07660cfe7ab46fc046a2413a54d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:56.433882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029377/publication.txt
observed 92db464351065302c519e3b9b9b68daa...
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.