OpenTechnical

OT-2026-000087123

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000087123) never changes.

Identity and time

Publication numberOT-2026-000087123 · never reused
Internal UUID01a0ae9a-9f2d-79b8-ab8e-295428ade53f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087123
StatusPUBLIC

Content hashes

Canonical text998ad99b3de4e11a096b00663b9b62db130e8a3636a8e8c8b335c8313b171221
Markdown96580046874867ab15e1aac19a00be96e811d93c50ac9f456eb3ef77edf1e4dc
PDF
Publication pageed3549639d1df8410a5a153d6e8c1df91744c5a0a439a23731acee3556a07464
Manifest577ed92079f8017c790e3e71fb1385cc090626b524e60831006a362445203324

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
Signature2/7ktdf0Zfj7GwAShv0V8vT1Dks3Qfj8L/yMTVVD1PcAOaVWezxi3raIf/zQ49yOVc5dfVX/BQSuLXjSzFWVDA==
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

2026-09-17T09:51:23.150271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087123
observed ed3549639d1df8410a5a153d6e8c1df9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.134163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087123/manifest.json
observed 577ed92079f8017c790e3e71fb1385cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.117349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087123/publication.md
observed 96580046874867ab15e1aac19a00be96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.101631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087123/publication.txt
observed 998ad99b3de4e11a096b00663b9b62db...
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.