OpenTechnical

OT-2026-000083107

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000083107) never changes.

Identity and time

Publication numberOT-2026-000083107 · never reused
Internal UUID01a0ae97-c962-72d4-9c27-b3750b311fde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083107
StatusPUBLIC

Content hashes

Canonical text9d7e7fb6eea90d30ce355d85e46b9f800905f80dc265e74ffe5ac703d055d3d9
Markdown632f7c4a192e7b284ac677b236f58d285a8cabdcc26e7cd3bb7f7c2c71030584
PDF
Publication page4740ca413fbf4b5fd27c8c473147b931ae21ef575be4f5bc87c17f48dfa35499
Manifest71234df5dc91ac3f8190129742b59f58549e915dad4d7297c4400716bd82eb2c

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
Signature9K3xRRFSVuYfthQcz8zXlXtcuAz0u9pERTT/l2RF6YyBG7D8DjZzdUTU6cfZOYoQpPYEd0StIbV68I80nwFtAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:00:40.572717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083107
observed 4740ca413fbf4b5fd27c8c473147b931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:40.432609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083107/manifest.json
observed 71234df5dc91ac3f8190129742b59f58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:40.162491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083107/publication.md
observed 632f7c4a192e7b284ac677b236f58d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:40.141100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083107/publication.txt
observed 9d7e7fb6eea90d30ce355d85e46b9f80...
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.