OpenTechnical

OT-2026-000040475

Publication integrity record

Three cup vacuum gripper, three zone face, six 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-2026-000040475) never changes.

Identity and time

Publication numberOT-2026-000040475 · never reused
Internal UUID01a0ae79-2702-7109-8ceb-a248100d5a98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040475
StatusPUBLIC

Content hashes

Canonical text6b29160d5f76b4cf6378e8d60f5c3dc0d12b728217c26628a50816f4514bc607
Markdown04470c1f95831382aff0b2300032ed868ab43150ab0713fbf61c4e15f280b813
PDF
Publication page7287c901c4a352c31b9f6900878ab04212704e7f45e86177dcddde5124bb1345
Manifestcc4b542658b6272c9a7a133659785c9ae3f842108a0e8eaca20b02b3ec2cc852

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
Signature7YmswJFH73BppIXEQ+cxyQATyFzyUeem4j/bG6ff2AjpxAYKA7Ht55bW2pnl4hoQOkVJVjCwAPUE+P0l9TNFCA==
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

2026-09-17T11:19:31.359376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040475
observed 7287c901c4a352c31b9f6900878ab042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:31.343703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040475/manifest.json
observed cc4b542658b6272c9a7a133659785c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:31.326406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040475/publication.md
observed 04470c1f95831382aff0b2300032ed86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:31.308936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040475/publication.txt
observed 6b29160d5f76b4cf6378e8d60f5c3dc0...
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.