OpenTechnical

OT-2026-000086771

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000086771) never changes.

Identity and time

Publication numberOT-2026-000086771 · never reused
Internal UUID01a0ae9a-80a4-7260-ad0b-f94962634e02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086771
StatusPUBLIC

Content hashes

Canonical textc1634d29dce94a3dbaee797575c5551084a3ab83048e3c117898accbf141c155
Markdownab40825e0b26419fae2417bf1343dfd13a271ef49cbe71d9cbe51dd2da447207
PDF
Publication pagee8d96bc4293fcc2b798d0cb5ac7202d87c5aced8fc6720c94bb09c24c752c246
Manifest81f9598ec11d40dcc5b59a283b30fc5eb249370199757566cfaf9c122404ce10

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
SignatureJcxEoPHYzO1VUu/LcZHRIgJmbRssprHORfOZnjXwBqV9e3CKw9XsXI6xQkaVvrDZ03YfSND5tbZmVImqqQWVBw==
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

2026-09-17T09:51:34.610893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086771
observed e8d96bc4293fcc2b798d0cb5ac7202d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:34.593886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086771/manifest.json
observed 81f9598ec11d40dcc5b59a283b30fc5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:34.575202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086771/publication.md
observed ab40825e0b26419fae2417bf1343dfd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:34.557769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086771/publication.txt
observed c1634d29dce94a3dbaee797575c55510...
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.