OpenTechnical

OT-2026-000039240

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000039240) never changes.

Identity and time

Publication numberOT-2026-000039240 · never reused
Internal UUID01a0ae78-9674-7e64-acc0-1899d3d9232d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039240
StatusPUBLIC

Content hashes

Canonical textdf3a625d9b022a941e31108c4b3487e2560a0134dd8f63d0e40e6ada14b39628
Markdown10ea21b545950349690b84d72e609b34777c08921c6cec0e64a2969497e943c8
PDF
Publication page8a017c34c8db74a72688bbf1ae428803ed6c1ecb4224a1e982b3f46153cb35ce
Manifest83de2026e135eaf1c1f94436dfc869f11630c42fa17c943352fecb626f48b45e

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
SignatureBv4Cmn7c7xt/eq8MuIT4eh3hsRiX8Sa8gcF2Y4mzuGym9pwdRlci8GbV9yos84UVFonsqlFtsMarhyYfURbvCA==
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

2026-09-17T11:20:47.904476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039240
observed 8a017c34c8db74a72688bbf1ae428803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:47.885775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039240/manifest.json
observed 83de2026e135eaf1c1f94436dfc869f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:47.868885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039240/publication.md
observed 10ea21b545950349690b84d72e609b34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:47.849953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039240/publication.txt
observed df3a625d9b022a941e31108c4b3487e2...
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.