OpenTechnical

OT-2026-000029925

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000029925) never changes.

Identity and time

Publication numberOT-2026-000029925 · never reused
Internal UUID01a0ae73-ac48-73a0-baf8-e203c88e972e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029925
StatusPUBLIC

Content hashes

Canonical text470935f97808fe25e24c7adc0d41adfabeb00b1545ddfd7ce20bf2cd0cc58d91
Markdownf6d2d30d3e1b702d648e3a2f62f621359125d6727101c7bb6d068f11868ea66a
PDF
Publication pageaa3a4242759a8efa4573ea77ffe12341e21fd36dc01af87b87d0028efdc2489c
Manifestac33d8c77fc931cc6aa8e8350a619e99ef2d60e875a25de234c0c34eaec067da

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
SignatureH5sYcdDUKYkkceSHFXR6wY08krDPe+WlArA8OxRuX7zFx21eH/MCN2mbAqHo0Y55L14Gsi9YzE3yFUo0FY21Aw==
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

2026-09-17T11:38:38.022782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029925
observed aa3a4242759a8efa4573ea77ffe12341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:38.006431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029925/manifest.json
observed ac33d8c77fc931cc6aa8e8350a619e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:37.988875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029925/publication.md
observed f6d2d30d3e1b702d648e3a2f62f62135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:37.969788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029925/publication.txt
observed 470935f97808fe25e24c7adc0d41adfa...
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.