OpenTechnical

OT-2026-000094619

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000094619) never changes.

Identity and time

Publication numberOT-2026-000094619 · never reused
Internal UUID01a0ae9f-2deb-7a54-9c1f-dacc5f512e58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094619
StatusPUBLIC

Content hashes

Canonical text907eeae1f46c0ed69b79e0afda2f37f1c0570e74e25915da8d9035205378e794
Markdownfc57615922aea22d11d299d9b0436aa26ebd6c1f20f68d737e9aa15d6eaec5f4
PDF
Publication pagea4bea70858f3e427206aac8eaad26696c84337f80399b425520a7319c4311ea8
Manifesta1fad400a5d4d9b17bcd7be400da89e199cd98b1494edefaa2667dce050b5078

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
SignatureNo97sheO1d7Ymph2Fpg7KrZFCmWLWg9fu25/0RM5ABsRXZkESiCFxwlXIJyQFyUoiTlO2QVW1bwPJPNbRrFQDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:03.421424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094619
observed a4bea70858f3e427206aac8eaad26696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:03.405093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094619/manifest.json
observed a1fad400a5d4d9b17bcd7be400da89e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:03.388959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094619/publication.md
observed fc57615922aea22d11d299d9b0436aa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:03.373451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094619/publication.txt
observed 907eeae1f46c0ed69b79e0afda2f37f1...
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.