OT-2026-000028048
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000028048) never changes.
Identity and time
| Publication number | OT-2026-000028048 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-7d9b-a7bc-e2c4be0e1753 · 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-2026-000028048 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9c30bbcd0d25c1f2f4bd5d6f249e17e8fbe1adf326cfc566045d91e898f0bba4 |
|---|---|
| Markdown | ddb4a9eac9fbc70e375f182812e94f71b6ca8f23793e8ff003ce2714c07f6584 |
| Publication page | 80d64088c152a7d4958027e81d8001a06f2a4eabe7ff0aa465f8e3f0bfe99e8f |
| Manifest | b6d636cf0a1280fb9c6483a822cb95021e26a45a0ab11de553dbff5538580642 |
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 | eXusCoEIjq3mKbRy5APegkFehqAOqvP762JgaNF6rUUOEFzD7XeNkblAR8i6Fj0131f7vwzvXq02FccuYDLaDw== |
| 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
| 2026-09-17T11:42:22.773387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028048observed 80d64088c152a7d4958027e81d8001a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:22.756931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028048/manifest.jsonobserved b6d636cf0a1280fb9c6483a822cb9502...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:22.740299Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028048/publication.mdobserved ddb4a9eac9fbc70e375f182812e94f71...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:22.723095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028048/publication.txtobserved 9c30bbcd0d25c1f2f4bd5d6f249e17e8...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. |
|---|