OpenTechnical

OT-2026-000007563

Publication integrity record

Foam pad vacuum gripper, plant vacuum 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-2026-000007563) never changes.

Identity and time

Publication numberOT-2026-000007563 · never reused
Internal UUID01a0ae62-4df7-7068-9e9d-55e4b9328993 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007563
StatusPUBLIC

Content hashes

Canonical textb60f3f2b39e9f293465e1ef4f39f5b2d489c808245dc12568a87638ae5a86fd2
Markdown7b6dfc786e7aafa7d2951056730c6013cb9c713d127233e9d7c2406aa79da677
PDF
Publication page6ac89d22c0ed52edfbb7d88263fe9bf9179f4ad7b3fe5e3c19c3cbfacf9fe4b9
Manifest53c829782e81a08f1ecddcea598882108b7777cd28d7a577a6e0121ba51af4f2

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
SignatureDRqzNkiAT1rbNevzpdTFklfKz3hePRuJExBaunTXUEZ3GSe/OK5xCwpZnFNAl0ybQ9vHhV7gWHqo2PohlUE2Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:24.577975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007563
observed 6ac89d22c0ed52edfbb7d88263fe9bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.561364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007563/manifest.json
observed 53c829782e81a08f1ecddcea59888210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.542957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007563/publication.md
observed 7b6dfc786e7aafa7d2951056730c6013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.527434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007563/publication.txt
observed b60f3f2b39e9f293465e1ef4f39f5b2d...
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.