OpenTechnical

OT-2026-000044231

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold 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-2026-000044231) never changes.

Identity and time

Publication numberOT-2026-000044231 · never reused
Internal UUID01a0ae7b-d67b-77f5-98aa-1e9e2fe10bdc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044231
StatusPUBLIC

Content hashes

Canonical text57c0f3330fb03df1a461fb361dd698d39027fc279e55a68b80ff8319adf96634
Markdown6dfb65fdfe39f57e9580172c786386b3d2b661407327c49f72358bb8de21f441
PDF
Publication pagedc25516b40ce188fd90df1f9ec2d9eee3336f3a4b0f44d586d152a3c2d0d1bbb
Manifest8815b92baaac1e748c4a93a058ce88e95d67e7770e9dc7265f1cb9345eba93c4

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
SignaturerSbt7Thi41rJgbDqG5bpqSeVxdQnKGpkETpVYqhBt4fWdlrBIPrGMcbBbdp8KGmnGELWMQQfe85Gdtq658rPAQ==
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

2026-09-17T11:12:47.644324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044231
observed dc25516b40ce188fd90df1f9ec2d9eee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:47.625210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044231/manifest.json
observed 8815b92baaac1e748c4a93a058ce88e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:47.606267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044231/publication.md
observed 6dfb65fdfe39f57e9580172c786386b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:47.585165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044231/publication.txt
observed 57c0f3330fb03df1a461fb361dd698d3...
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.