OpenTechnical

OT-2026-000038489

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038489) never changes.

Identity and time

Publication numberOT-2026-000038489 · never reused
Internal UUID01a0ae78-2d53-7b35-a179-cbc558978cf7 · 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-2026-000038489
StatusPUBLIC

Content hashes

Canonical text5e2e87d484f29d8b2f84637218b4376a6db23174a892bb0f2b8711312b009ead
Markdown0688dd709c29e53f99613520dfa6f388f89729b8f4874c202446fcf106340620
PDF
Publication page74dc00f20a9dfb3ab87e0bf5221f4dbca54362f01ae4f43d0b9b6763ed118e1b
Manifest052035db638d0c80ee691254922d1180385584e30377ede619c785ef7c4cf2ca

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
Signature0zvgxm9NUhZJunH4etSOBVQjWoDRu79IpyWKHCeKLn1PWw0isfkqhErxCymN5xEYHCvd3ZFcp7kH1r0zoPxuDA==
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

2026-09-17T11:22:43.863834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038489
observed 74dc00f20a9dfb3ab87e0bf5221f4dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:43.843564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038489/manifest.json
observed 052035db638d0c80ee691254922d1180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:43.821739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038489/publication.md
observed 0688dd709c29e53f99613520dfa6f388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:43.801705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038489/publication.txt
observed 5e2e87d484f29d8b2f84637218b4376a...
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.