OpenTechnical

OT-2026-000012291

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum 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-2026-000012291) never changes.

Identity and time

Publication numberOT-2026-000012291 · never reused
Internal UUID01a0ae6d-39f5-7f03-b067-2b51da5bee6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012291
StatusPUBLIC

Content hashes

Canonical textbcf9f8944f554da033e77c1f343a26aa483c011093a1ff56a5c6de07c106ded0
Markdowne28a050c03fcf20fa01ce64ddd3926367661f1889a8884635929c3aa843fd603
PDF
Publication paged66fb7016a7631cd3a39d086d8a62a63776abbd454d807ea058668b3017948db
Manifestddac8018c2b3c769f6f9a359dbf764c9c0028e56f9e09b641c987c944c95d5e4

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
Signatureq4gkPmQsNKjhpc4H+oQcZewbw7bX9Rd1bEye63m7SOsQtgwhV7umg5aVRZ9JdrVtZizigiK6ByWl6xG4o9xNCw==
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

2026-09-17T12:11:13.958906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012291
observed d66fb7016a7631cd3a39d086d8a62a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.941003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012291/manifest.json
observed ddac8018c2b3c769f6f9a359dbf764c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.923151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012291/publication.md
observed e28a050c03fcf20fa01ce64ddd392636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.907128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012291/publication.txt
observed bcf9f8944f554da033e77c1f343a26aa...
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.