OpenTechnical

OT-2026-000038295

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000038295) never changes.

Identity and time

Publication numberOT-2026-000038295 · never reused
Internal UUID01a0ae78-2d51-7fca-ae6f-004fe926f7b9 · 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-2026-000038295
StatusPUBLIC

Content hashes

Canonical text498251f3ce0f305d8a6d9c3e884588e61743ce8fe4c476cbc456ff5fe217310f
Markdown48adbe238460f9e894883a2b5a64f0bad5494e3c523daa1b538b2a3481ac5c49
PDF
Publication pageb5a4c35da31211996e104e4381b7befd8caa028a18f5b898c689c1db12ce7110
Manifest3e351cde2d07ce6bd48a1c2410673fb16492a114bd142ee5276d83b883aa0d92

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
Signaturei4xPsnKYZPbf6Cv87UL6JVBCx2WVFEUw141haZeFmVda8uVzojf6fbuGxKNPKSKG11/Q2RUEfC/CxNUUUgsSDQ==
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

2026-09-17T11:22:27.809098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038295
observed b5a4c35da31211996e104e4381b7befd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:27.791470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038295/manifest.json
observed 3e351cde2d07ce6bd48a1c2410673fb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:27.773877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038295/publication.md
observed 48adbe238460f9e894883a2b5a64f0ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:27.757021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038295/publication.txt
observed 498251f3ce0f305d8a6d9c3e884588e6...
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.