OT-2026-000029412
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000029412) never changes.
Identity and time
| Publication number | OT-2026-000029412 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e20-7552-81f9-63e656168aaa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029412 |
| Status | PUBLIC |
Content hashes
| Canonical text | 209681af5ebe06b79e777ea07fc6a228688b781eb9d93c135c0ea923129fac75 |
|---|---|
| Markdown | bd128d0e63a2282de074a47654057b72a192d69a57c9f6673a20147d6efcafba |
| Publication page | a2c423252e4f79aa951de633c6ce4596075d2e393b4162572854e5180ab00d42 |
| Manifest | 9452604c26296a9d7dfbc112f57ceafa6261f125ec270655b5d25ae5d32b87a5 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | wZkU/EskUJKUhTzGgVQ6v1CaJ+9G2CpKh4BTOLBJl2e9iWd4Oew+UOZAuhwZPjCU80MMcLMxSfaQsLyqSgbRBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:39:00.892901Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029412observed a2c423252e4f79aa951de633c6ce4596...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:00.875206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029412/manifest.jsonobserved 9452604c26296a9d7dfbc112f57ceafa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:00.857520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029412/publication.mdobserved bd128d0e63a2282de074a47654057b72...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:00.839271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029412/publication.txtobserved 209681af5ebe06b79e777ea07fc6a228...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 archive | Pending 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 package | Pending Custody packages are produced weekly. |
|---|