OpenTechnical

OT-2026-000074867

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000074867) never changes.

Identity and time

Publication numberOT-2026-000074867 · never reused
Internal UUID01a0ae93-ac2c-7617-a5ab-9547b7ffce5f · 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-2026-000074867
StatusPUBLIC

Content hashes

Canonical text017224c108f2366ad26f8e4e66216d60c23ab6ca25b3299d6345c8417ba15058
Markdown126397a15f458584017032c698e43318dfd69f09d9bf866c23f5df93deaee18f
PDF
Publication pagec2542bf345bfcc2f06533c20ecc2c1a167e0bd19ec9fda6c1832f10c92b7b232
Manifest32b5813573087b8c4f0583d4194ca226c540e30e831770efc0f39e4652957d1e

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
Signaturev3ASPov3lvQTadyufMN3TGNkS3T9UykXvfnZOxzur0N3YI5HpHjy+kt5wm7EM0mHWekHUd4gL25FYK6HKYqoAQ==
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

2026-09-17T10:18:35.034613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074867
observed c2542bf345bfcc2f06533c20ecc2c1a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:35.016935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074867/manifest.json
observed 32b5813573087b8c4f0583d4194ca226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.998597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074867/publication.md
observed 126397a15f458584017032c698e43318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.981466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074867/publication.txt
observed 017224c108f2366ad26f8e4e66216d60...
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.