OT-2026-000029835
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000029835) never changes.
Identity and time
| Publication number | OT-2026-000029835 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac47-794f-89c2-2ab1a1032ba2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029835 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4a8862251e14930e19478a71e4427a2ae1540be0a0945507525a6ff820ec1c1 |
|---|---|
| Markdown | b5e80ffb8e87d8c7c1fd510f867415c0dc6752ec473a115b64b6542cceedce00 |
| Publication page | f85d14a000a57de27c1866aa9d36487d34b0a60ba65451ecbae1d90ad5ca791d |
| Manifest | 74afcca034f0ca1627e63d6675572519ea0aee86e27a8412e183c2f374c86185 |
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 | iVjvsA5kFJXgqqsrpjBK3uD6I5S7LELiZMO6Kok37SD0VokKVEO23ms77odG3fXurEHC65dKFXmc4ynAwGxyCw== |
| 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
| 2026-09-17T11:38:30.772107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029835observed f85d14a000a57de27c1866aa9d36487d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:30.752788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029835/manifest.jsonobserved 74afcca034f0ca1627e63d6675572519...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:30.733662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029835/publication.mdobserved b5e80ffb8e87d8c7c1fd510f867415c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:30.714217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029835/publication.txtobserved a4a8862251e14930e19478a71e4427a2...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. |
|---|