OT-2026-000021620
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000021620) never changes.
Identity and time
| Publication number | OT-2026-000021620 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-71bc-a49a-020644cd5fde · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021620 |
| Status | PUBLIC |
Content hashes
| Canonical text | 97df971a7121318686d375c058b2b39c98445b5faa9d5ad590bed931b4ebdd65 |
|---|---|
| Markdown | e1c769215225ec0a22279555f00a42731b8ca403eeec11ad0cdbef4d4fe11f49 |
| Publication page | 7ca03461b5b6bfeee158fd0a41aa86ba7b44b08a315ba4e07582f9ef3e00979e |
| Manifest | 969ff4abda61f67753170edfd8e05d92ab802f19961a331411b2158c7fbe21a0 |
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 | lC1VPfYKEZmwcTUZysojyZOSPe6CU2tKC4YcRjGQtLMBgqIOLmNDPouKg5ZLJxLJsy7q+YWLZuaiB/O7P/ieCQ== |
| 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
| 2026-09-17T11:54:08.753316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021620observed 7ca03461b5b6bfeee158fd0a41aa86ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:08.734028Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021620/manifest.jsonobserved 969ff4abda61f67753170edfd8e05d92...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:08.715549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021620/publication.mdobserved e1c769215225ec0a22279555f00a4273...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:08.697734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021620/publication.txtobserved 97df971a7121318686d375c058b2b39c...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. |
|---|