OT-2026-000020413
Publication integrity record
Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold 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-2026-000020413) never changes.
Identity and time
| Publication number | OT-2026-000020413 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7b9b-b951-a09ff95c4a7f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020413 |
| Status | PUBLIC |
Content hashes
| Canonical text | e53a2a770e638beecf308c3937a12357c4af0ea52d0caa2fc0ddb337efe65df8 |
|---|---|
| Markdown | c61899ecc06407021ec9e65d61d3e385d7d16fc1865c3754a05e64704d8639d9 |
| Publication page | 1d70cd3da54b64bdab3a18edb9f1de5fd06fecd71f8d8ca165813c77b38c5c0d |
| Manifest | d12af9a5797f880a42cf137a97259b45fac6208c568c9ab503bd2ff8af83578d |
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 | OGgYp7FAmBTzAGdZxlYv78DUjNL3zhpSPlAbFOqql/5De5WOm3tEPRMmPM/dfdO+zkBCMXL2dTaQfg9kzZn3DQ== |
| 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
| 2026-09-17T12:00:19.278428Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020413observed 1d70cd3da54b64bdab3a18edb9f1de5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:19.260069Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020413/manifest.jsonobserved d12af9a5797f880a42cf137a97259b45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:18.997454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020413/publication.mdobserved c61899ecc06407021ec9e65d61d3e385...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:18.980055Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020413/publication.txtobserved e53a2a770e638beecf308c3937a12357...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:23.510371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020413observed 1d70cd3da54b64bdab3a18edb9f1de5f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:23.491276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020413/manifest.jsonobserved d12af9a5797f880a42cf137a97259b45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:23.470033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020413/publication.mdobserved c61899ecc06407021ec9e65d61d3e385...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:23.450521Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020413/publication.txtobserved e53a2a770e638beecf308c3937a12357...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. |
|---|