OpenTechnical

OT-2026-000043013

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000043013) never changes.

Identity and time

Publication numberOT-2026-000043013 · never reused
Internal UUID01a0ae7b-3278-7c85-a9c7-8090a2c94d53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043013
StatusPUBLIC

Content hashes

Canonical text3f8dc669556911c94a2d532d8e1e5d923f213d4dd6e3f7132276b29dd5374521
Markdown87adea0a409a6edb24090e918bb4a0f31261b8209c485d1f93da51acbda6e760
PDF
Publication page340f6193ad4e8b25af27c18b1b046a4de58ff4ea11395a47fa0fcd1e94928ab8
Manifest21f8134f7ea54eaff08959a389d21680ca86459b4e93edb56523212bc8bbf67d

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
SignatureyA2pYqKUC7sKLnt2thDWD8HhIy9ZDnavNgBglC0OC9MSQq/eWg4RJtmaxCBYdhmD2uJom1fbFmBD7aXtz/7qBA==
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

2026-09-17T11:13:19.542220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043013
observed 340f6193ad4e8b25af27c18b1b046a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.523011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043013/manifest.json
observed 21f8134f7ea54eaff08959a389d21680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.503445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043013/publication.md
observed 87adea0a409a6edb24090e918bb4a0f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.484724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043013/publication.txt
observed 3f8dc669556911c94a2d532d8e1e5d92...
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.