OpenTechnical

OT-2026-000020704

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000020704) never changes.

Identity and time

Publication numberOT-2026-000020704 · never reused
Internal UUID01a0ae6f-65e2-78c5-8b57-8a1f18520e83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020704
StatusPUBLIC

Content hashes

Canonical text17ca9a75946d360ba04768d7e543b1e4ef1923653ebc1eb1d0fe0518b48b08a9
Markdownc8af66f805bf65ba413926b05f635a92bc370189fd7ce551f18cf3664f2e025f
PDF
Publication page0bf9d61c3980a1908c615169c396c3b6e964a1e5177c3a4382e2970762cb6546
Manifeste2cbbe8844b82eecc9733774a4d32979a443b467e88788ea983cd264a4a707ab

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
SignaturePXiK431KRqv6dw8aTXYeXHIyTK8o8NaoRy2GSr/qmB2ujCc2kGG5BlxmVZYbyQvI6Vit9dGCf9OuDXAnttLSDQ==
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

2026-09-17T11:55:45.221289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020704
observed 0bf9d61c3980a1908c615169c396c3b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:45.201818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020704/manifest.json
observed e2cbbe8844b82eecc9733774a4d32979...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:45.181351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020704/publication.md
observed c8af66f805bf65ba413926b05f635a92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:45.163816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020704/publication.txt
observed 17ca9a75946d360ba04768d7e543b1e4...
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.