OpenTechnical

OT-2026-000033817

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000033817) never changes.

Identity and time

Publication numberOT-2026-000033817 · never reused
Internal UUID01a0ae75-a391-7952-87cc-d6aa7571582a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033817
StatusPUBLIC

Content hashes

Canonical texte2439ab1e0537d70451e8c38fc34fe0a170dbea79a4f8d9c9629259924c59774
Markdown439a0748ddef29d88c63ca4b0a34b432c7af8dc470c990ffa36436591b52916d
PDF
Publication pagee58b83a0f19769c894a4d65567aa6fbb434ef491e048b6d0d7f7df4f8c004e81
Manifestf3f10cdc377f2f94a2e8fbae522ac5cb2dbf302be193aa2623e748dc32b27314

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
Signature44SWevMIB9FBHtBuzQijACRMhh5h3UYL6dnzR+2xAuiKQENN+se0PbX+S2ybmJ8Lyazy88QGcuvm3HcxqyEFAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:51.893858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033817
observed e58b83a0f19769c894a4d65567aa6fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.875712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033817/manifest.json
observed f3f10cdc377f2f94a2e8fbae522ac5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.849703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033817/publication.md
observed 439a0748ddef29d88c63ca4b0a34b432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:51.830032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033817/publication.txt
observed e2439ab1e0537d70451e8c38fc34fe0a...
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.