OpenTechnical

OT-2026-000071423

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000071423) never changes.

Identity and time

Publication numberOT-2026-000071423 · never reused
Internal UUID01a0ae91-e0ed-7d3e-bd3d-902d0d7d3474 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071423
StatusPUBLIC

Content hashes

Canonical text8f8fba7118c031f16012b7ac702c52eac88bdf43ebd1fa6aa810fc53377bbb99
Markdown6542f9ffeb5910d2e40f607b85185058736000ac409c9dcd676f0ba414fb6d4c
PDF
Publication page22e9708eafad195fe3e445007d94169bae6aa46137a9244da0fdf30913de6657
Manifestf343b06a33b745488fb1189e079bd5f0ebb85de72f31c452344aeaf91d4d6607

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
SignatureupT/Lc/A73b7YxKdRx+W1/r6kwPbqQbtYBaEV4PqsNnQSJAI9CHq8Md+aFbRPakjYmyBykJM75AkasBN5dZ1Cw==
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

2026-09-17T10:25:03.511704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071423
observed 22e9708eafad195fe3e445007d94169b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.496844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071423/manifest.json
observed f343b06a33b745488fb1189e079bd5f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.479826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071423/publication.md
observed 6542f9ffeb5910d2e40f607b85185058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.459653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071423/publication.txt
observed 8f8fba7118c031f16012b7ac702c52ea...
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.