OpenTechnical

OT-2026-000042039

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold 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-2026-000042039) never changes.

Identity and time

Publication numberOT-2026-000042039 · never reused
Internal UUID01a0ae7a-5d70-7210-8158-5348808a0efc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042039
StatusPUBLIC

Content hashes

Canonical texta39e8592f8570b7d04ba424c309064a46031837be94827e23b7b0eee5acc3af2
Markdownb0da40019c74873896b06f3b18a6f93be01e67ecac524756620144e36866a540
PDF
Publication page2f3c8df880610bc53cf2ac670e51b09849a9bcef51c8617b99bb807f723d32f4
Manifest3b55821868be8ecc328e0195a0e1202f9ba38acb01ee0075d67a433e1c8cc00e

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
SignaturekFmCEwctJRMBpWxRRKf7F5uTu3nJBnoG3OB/+xuFsjm7d5y/2n+YKcEnCuB1Y3s4u3phl/KvIhia5GjYZv/cCg==
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

2026-09-17T11:15:33.065469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042039
observed 2f3c8df880610bc53cf2ac670e51b098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.045870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042039/manifest.json
observed 3b55821868be8ecc328e0195a0e1202f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.023637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042039/publication.md
observed b0da40019c74873896b06f3b18a6f93b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.005909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042039/publication.txt
observed a39e8592f8570b7d04ba424c309064a4...
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.