OT-2026-000021899
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down
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-2026-000021899) never changes.
Identity and time
| Publication number | OT-2026-000021899 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-77fb-9a0e-28ae6e350070 · 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-2026-000021899 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7e363000304aca35aa4ab45b8df28f3975ee87813fa5c1d50b97da8135c202cc |
|---|---|
| Markdown | e9c1a1e98ef545d8c14b782fdb2f8b597912882b2b669289c030c601a9769588 |
| Publication page | 42d828e4221c238ae70f37749af2b0862f0a44c16480a4432e9dbd6002b75aee |
| Manifest | de1237981c53b2d9be08d199f5581d22b45812bf8c1a90adb632e4a6b5c8f6d8 |
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 | sVxPTi0AUbSnylJuCMXN13uMY1kwyB1ZHxpe3WCqfaVYuziHDg1/DCrM6QBqbyVMnfTj/fb03oH7U2ImfEYyAw== |
| 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
| 2026-09-17T11:54:28.113367Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021899observed 42d828e4221c238ae70f37749af2b086...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:28.096110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021899/manifest.jsonobserved de1237981c53b2d9be08d199f5581d22...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:28.078885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021899/publication.mdobserved e9c1a1e98ef545d8c14b782fdb2f8b59...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:28.062239Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021899/publication.txtobserved 7e363000304aca35aa4ab45b8df28f39...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. |
|---|