OpenTechnical

OT-2026-000072445

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000072445) never changes.

Identity and time

Publication numberOT-2026-000072445 · never reused
Internal UUID01a0ae92-89d8-7983-8f58-e7982a643b0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072445
StatusPUBLIC

Content hashes

Canonical text49e34494dc2da16e5b194dc963937c7fc74158b808c03e648c057d85d5ace848
Markdowne6fbd09338647bb368d5823796b632d9a6b339efb2a730d45e67c459289445c7
PDF
Publication paged7341adb94626d9277b03e042a3ff8b14c811c28fd5ace3cefc3751e12d848d9
Manifest4511555103f839f833dc42f66e43923787b8313cebfa453d59bc5bec1bbc1559

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
Signaturehh/CCaG8EqnhbaLzndekvUsv8XVt/7Kye92BHW/MgvNVYUNfUzbIhXFEwiBOqYIoI509j9AgGFZcs13q5iWjDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:15.529144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072445
observed d7341adb94626d9277b03e042a3ff8b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:15.506835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072445/manifest.json
observed 4511555103f839f833dc42f66e439237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:15.484936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072445/publication.md
observed e6fbd09338647bb368d5823796b632d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:15.464742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072445/publication.txt
observed 49e34494dc2da16e5b194dc963937c7f...
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.