OpenTechnical

OT-2026-000032063

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000032063) never changes.

Identity and time

Publication numberOT-2026-000032063 · never reused
Internal UUID01a0ae74-bad3-7fd9-b83a-5874e3f3c79d · 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-2026-000032063
StatusPUBLIC

Content hashes

Canonical text3c4dd47c1542fa8c2f66adc745574e155244f7ade6ca1e778d4730d58bd1dec1
Markdownc603799972e909661ea5fcf6421d79bb545ccf868e30f81f5043097c37fff82a
PDF
Publication page5b74c903baa163a7cc0ba73de2e041cba25b0df464d1841e250386b2713819c6
Manifestca188fcff3b3b478f2b2e10ff9b03978f301313a2c6d7ded2c7265cdf9e98261

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
SignatureEuFck/+uNyg261NgQaPZ8gMXoUv+NCg96CuO5RQvHk2mh51JrNV3Vz+9S+M6JEcljF8RJ4Q0QG7O63rTNA5xBQ==
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

2026-09-17T11:35:28.892285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032063
observed 5b74c903baa163a7cc0ba73de2e041cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:28.873958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032063/manifest.json
observed ca188fcff3b3b478f2b2e10ff9b03978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:28.855398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032063/publication.md
observed c603799972e909661ea5fcf6421d79bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:28.838047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032063/publication.txt
observed 3c4dd47c1542fa8c2f66adc745574e15...
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.