OpenTechnical

OT-2026-000013437

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000013437) never changes.

Identity and time

Publication numberOT-2026-000013437 · never reused
Internal UUID01a0ae6d-6fca-764a-971f-e8b5140c05f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013437
StatusPUBLIC

Content hashes

Canonical text8b6cb33a0b38f8e14b3801f8fc0c4dccd4fa6b45d17cc2de3de6b11a5db3bc96
Markdowna07d75d9d681baf2b9c1a19f3aef4248303e0c9160c3ec8dfbadd34bfa74f1f3
PDF
Publication page675667a808b3d89ab8a4fd72ac17e2064a75060577e0c35162aa2bdb77fac06c
Manifestc4d8884ac0e38f328dc7dfe541ea5bd852c4a3b5c09a7e98e557899c58d7b943

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
SignatureiQFj8GnwNe48LFowhUs4/nqZDtDB9/4rLGXdijmEMRLqr/78oH22fKsca2JhUjqZ6J8d2Z6dloy+8/HKILBhBA==
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

2026-09-17T12:09:55.496954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013437
observed 675667a808b3d89ab8a4fd72ac17e206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:55.477239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013437/manifest.json
observed c4d8884ac0e38f328dc7dfe541ea5bd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:55.457691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013437/publication.md
observed a07d75d9d681baf2b9c1a19f3aef4248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:55.438108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013437/publication.txt
observed 8b6cb33a0b38f8e14b3801f8fc0c4dcc...
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.