OpenTechnical

OT-2026-000038443

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line 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-2026-000038443) never changes.

Identity and time

Publication numberOT-2026-000038443 · never reused
Internal UUID01a0ae78-2d53-74cb-92f0-454827a3ea32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038443
StatusPUBLIC

Content hashes

Canonical text092a31ddfe67dcf3b5ed2069109afd0c84ec39e14d716caf30b3b56fd142e86a
Markdown22031e220a94ddbb3cca153b752b101a4dad1b43b80552deca1da24a226d6bf1
PDF
Publication pagece23399ee6d9868e66b719ee94437f59a7391805555dd2a754037510732b0bcf
Manifestd8cf7a86780683e924b593bd1809e13dbb8061223c1f62908785c76d6d797162

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
SignatureHDr4iHw5tlzjflQ02GU3cjpOzaQJ/bbiahaCVhsCW7qxobyIlVm6sClVTBl/mVr6TZfHEO6OMXYVlBHKUHDAAA==
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

2026-09-17T11:22:40.345613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038443
observed ce23399ee6d9868e66b719ee94437f59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.327728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038443/manifest.json
observed d8cf7a86780683e924b593bd1809e13d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.310200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038443/publication.md
observed 22031e220a94ddbb3cca153b752b101a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.291637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038443/publication.txt
observed 092a31ddfe67dcf3b5ed2069109afd0c...
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.