OT-2026-000028052
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained 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-2026-000028052) never changes.
Identity and time
| Publication number | OT-2026-000028052 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-7b12-8f37-de4edcce7811 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028052 |
| Status | PUBLIC |
Content hashes
| Canonical text | a896975c9dc8243a49a8995c71102ecdcd707dc6ab28959958aa7ff98171cd1b |
|---|---|
| Markdown | 63c61fb82eec6eb77a1296303f8f96589009296ce557723a00057e4464ec8d59 |
| Publication page | ef84e8c342ec4116883a285153596223a43126efeb7122692324ed5bd598112f |
| Manifest | 2c3cb164a54426655cd57b63f81e0d184b9d709616932c4b7a5a54e85f9ee522 |
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 | PbORxZW2U5K9Vpi31Ic9LIp1lO2egXDh+1CbqtrSj5BIGhSl8AWso+nJ0tVVJDb6Vt3ucvvHSPrJ/+o0kKIaCA== |
| 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
| 2026-09-17T11:42:23.068712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028052observed ef84e8c342ec4116883a285153596223...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:23.051247Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028052/manifest.jsonobserved 2c3cb164a54426655cd57b63f81e0d18...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:23.034287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028052/publication.mdobserved 63c61fb82eec6eb77a1296303f8f9658...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:23.016416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028052/publication.txtobserved a896975c9dc8243a49a8995c71102ecd...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. |
|---|