OT-2026-000021247
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000021247) never changes.
Identity and time
| Publication number | OT-2026-000021247 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7c55-8c66-b9d577cb1fbb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021247 |
| Status | PUBLIC |
Content hashes
| Canonical text | b2092532c9c092c9e052f87a3df8b2c2d3b47ff424bd1106e9a89cab7042fab3 |
|---|---|
| Markdown | e02d3045a4a2ba1c8e93153f636f9d8976123c843dd0bd96b9e6e3fed450b762 |
| Publication page | 1c33dbfe51b5af1bda69d59ba6f24f2d9c8b1bfaaa032833cad91ee818373bf5 |
| Manifest | ae987b559f1d3ae759c17962fb523ba9f3378e82db301476d66ff5eb4d45e5a8 |
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 | 8C9Y5AqI2N4tjvLZR14BW4ACPG9RektCW6xrLV/5D2+GGWP7oqFh/GtUHxvf+HhbFksd2b5tCfJzPVDgxTr+Cg== |
| 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
| 2026-09-17T11:55:03.754104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021247observed 1c33dbfe51b5af1bda69d59ba6f24f2d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:03.736075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021247/manifest.jsonobserved ae987b559f1d3ae759c17962fb523ba9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:03.717474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021247/publication.mdobserved e02d3045a4a2ba1c8e93153f636f9d89...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:03.700355Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021247/publication.txtobserved b2092532c9c092c9e052f87a3df8b2c2...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. |
|---|