OT-2026-000028520
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, sustained 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-2026-000028520) never changes.
Identity and time
| Publication number | OT-2026-000028520 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-797b-b9aa-320730909e66 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028520 |
| Status | PUBLIC |
Content hashes
| Canonical text | 25e63f983d9045fb6b6801fdbd3bc621bde21e1c9ddb0514f3d105365b87139c |
|---|---|
| Markdown | a36b78e364c2d647014279ff60ab3558f8ed27f32b33ac0e17d26d6809b2a21d |
| Publication page | 6a05baa5bc9605a26781a20a62296a8659f6c296cb9ac7833a396f23e2159e5c |
| Manifest | 197c53f3c00cc4709b79d57d79a97abca1f273032eb2740b00fcef13922bbd3c |
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 | K7JnTykRfF8+2U5alYdnXLfHYXOoc2ZF3/WsSQ3f+84p8n/Z0omMV8puZ69WH61xvJ/IBFNGobl0G8WM/JdTCg== |
| 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
| 2026-09-17T11:40:47.371358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028520observed 6a05baa5bc9605a26781a20a62296a86...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:47.354906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028520/manifest.jsonobserved 197c53f3c00cc4709b79d57d79a97abc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:47.335290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028520/publication.mdobserved a36b78e364c2d647014279ff60ab3558...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:47.319185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028520/publication.txtobserved 25e63f983d9045fb6b6801fdbd3bc621...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. |
|---|