OpenTechnical

OT-2026-000083854

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000083854) never changes.

Identity and time

Publication numberOT-2026-000083854 · never reused
Internal UUID01a0ae98-0418-7099-b201-a7a0079999ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083854
StatusPUBLIC

Content hashes

Canonical text060b05db2095a9632ed855656bc1d9faff1cb239b1502ed639ac1bb5ef689a50
Markdownfae251b90c35c700d72ade8f8443ddfd00cd4f9a59b939bcaa691adb15f3a133
PDF
Publication page67488c1680cb9ab6398d4b7c1a3dd4a9c493f63fea2bcbbc545eec4f0d8e4375
Manifest84a7acb6c92319767a7c648a9c6765e18d0cae8b9c02d8a50d130b78d9a2201e

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
SignatureDhMypssi3+Qmzyq/0wHOIJp/gPBj7FRTuUc6fdqcwBaibGoYIUS0hleCQVxAFMJ2bk8AtGjPhqTFb2BuSYHIBQ==
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

2026-09-17T10:00:08.912905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083854
observed 67488c1680cb9ab6398d4b7c1a3dd4a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:08.888138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083854/manifest.json
observed 84a7acb6c92319767a7c648a9c6765e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:08.859897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083854/publication.md
observed fae251b90c35c700d72ade8f8443ddfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:08.833966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083854/publication.txt
observed 060b05db2095a9632ed855656bc1d9fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.838193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083854
observed 67488c1680cb9ab6398d4b7c1a3dd4a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.821426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083854/manifest.json
observed 84a7acb6c92319767a7c648a9c6765e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.804249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083854/publication.md
observed fae251b90c35c700d72ade8f8443ddfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.787787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083854/publication.txt
observed 060b05db2095a9632ed855656bc1d9fa...
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.