OpenTechnical

OT-2026-000071041

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000071041) never changes.

Identity and time

Publication numberOT-2026-000071041 · never reused
Internal UUID01a0ae91-8c2e-74e2-8c54-795155dbf399 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071041
StatusPUBLIC

Content hashes

Canonical text412a8e0ce864105383c3613e0f9f70950e19e58066d1beb2eeceb4b4914f931d
Markdownb036c381a09f3c4dbc25aad9c9a66e836f576d4e914eb80b106d9c2c75989c7e
PDF
Publication pagef071b3e63fe73343fcd437bd310a172c8f308dff9f995ade9d60b4bb0b20133e
Manifest768dde212458c54d6138b2cbddd2032d846c191da691fc8d38f6ca78476237fd

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
Signature0b/u0DIepyNo0c35ZeE8J3emnNg/ZAdXIlgXblWFsVf9Fon3YHwdApJ+EJ/5aJaBBFxzwxxuNPXZi3hdvoULBg==
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

2026-09-17T10:25:53.783902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071041
observed f071b3e63fe73343fcd437bd310a172c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.765811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071041/manifest.json
observed 768dde212458c54d6138b2cbddd2032d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.749334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071041/publication.md
observed b036c381a09f3c4dbc25aad9c9a66e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.733274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071041/publication.txt
observed 412a8e0ce864105383c3613e0f9f7095...
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.