OpenTechnical

OT-2026-000031883

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000031883) never changes.

Identity and time

Publication numberOT-2026-000031883 · never reused
Internal UUID01a0ae74-bad1-7f1f-8b21-439af751009c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031883
StatusPUBLIC

Content hashes

Canonical text0f424a22b8c36b316c474cea667a6123c38080440f8d380235d76e3df3ef0e13
Markdownf7e082457bdf5d0d3e5870c3a72e523a9b0cc80f1ee3c87301d031a85782f0de
PDF
Publication page33eb0aa99bd0535bf630292660b36fec78a97d6988c04bb51958f2eb50d49bfa
Manifest2181ab19f214cfadd98a85b9139d3f74ce0526565878701230ea360f82438a69

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
Signature9WHAyNpWaISefvhDmZINv2PHOs5zpq5m5leXq8esiRnidBiJnfWcl+1W3D2t2HDodXa+mfLOSlQucAzNmC94DA==
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

2026-09-17T11:35:08.868395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031883
observed 33eb0aa99bd0535bf630292660b36fec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:08.846487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031883/manifest.json
observed 2181ab19f214cfadd98a85b9139d3f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:08.827921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031883/publication.md
observed f7e082457bdf5d0d3e5870c3a72e523a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:08.809260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031883/publication.txt
observed 0f424a22b8c36b316c474cea667a6123...
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.