OpenTechnical

OT-2026-000074835

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000074835) never changes.

Identity and time

Publication numberOT-2026-000074835 · never reused
Internal UUID01a0ae93-ac2c-77fa-9427-caf666fb8bf7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074835
StatusPUBLIC

Content hashes

Canonical text89bfc18929f41e1e86e3f60563192473d63984b8bef3c2dfafe473f22a21232a
Markdown6a8d6e0f2f8cb0ae10e9e5cf7d6c3aacb892deb7b9bd2ad8c2d900509a3f6be5
PDF
Publication page73bfbb1168eb9901427c9b400d4ec1cce8d690f2f19cb4f6ba6aca59cb2b5886
Manifest734589971f96292d497b29771072f9f373eb6d8e7dc72b09c039617f1455de84

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
SignatureeNRvm8U99zPyMY43FT0BjzOKmxEIREq0RD2yXVOWSNSE6D4SkACGGrBoYL0TIPOZxA7kwyr0WorBnz+SRN9fAA==
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

2026-09-17T10:18:32.737784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074835
observed 73bfbb1168eb9901427c9b400d4ec1cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.721846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074835/manifest.json
observed 734589971f96292d497b29771072f9f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.702850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074835/publication.md
observed 6a8d6e0f2f8cb0ae10e9e5cf7d6c3aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.685027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074835/publication.txt
observed 89bfc18929f41e1e86e3f60563192473...
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.