OpenTechnical

OT-2026-000014809

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000014809) never changes.

Identity and time

Publication numberOT-2026-000014809 · never reused
Internal UUID01a0ae6d-d094-7dfe-82ca-afee8833e438 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014809
StatusPUBLIC

Content hashes

Canonical text96fbec1d60066c4a4bf0e123949fc20affee95d2e8e9388d8c7f3ded49e3c150
Markdown96fe70d85e8d12f5094d61ecae647c342e88a6370700a4742dd9d07997f6752d
PDF
Publication pagee511aa9c6410ee402f0f4e76fc7ef515390809b77bc914153162f21387498417
Manifest6d2b5bcfc76f56b160dc21364de4ea7c8c8cc08f23ce39d41acfc7671ed5e822

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
SignaturedBdvWA+9hW16ZXo0z2bOZhPV+9c05j/qC1yCO4qJiAbmWPhfhDdUX2KgflG3gaz3TqyDX/1znE+wfGosBW4XBw==
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

2026-09-17T12:06:42.493520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014809
observed e511aa9c6410ee402f0f4e76fc7ef515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:42.475692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014809/manifest.json
observed 6d2b5bcfc76f56b160dc21364de4ea7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:42.455315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014809/publication.md
observed 96fe70d85e8d12f5094d61ecae647c34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:42.435092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014809/publication.txt
observed 96fbec1d60066c4a4bf0e123949fc20a...
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.