OT-2026-000057840
Publication integrity record
Single bellows cup vacuum gripper, pump fed, sustained blow-off after 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-2026-000057840) never changes.
Identity and time
| Publication number | OT-2026-000057840 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6ed8-7473-9a63-4998236aeda2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:52.020108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057840 |
| Status | PUBLIC |
Content hashes
| Canonical text | d3c6d4ae0c54834fee05b701be5a667610e98ec57414c98e8fa92ec611c37256 |
|---|---|
| Markdown | c4a6ad77f4250b3dd27c310f1f2d8d485c40f2a9b1bb24809a77e9478cd0fc8d |
| Publication page | f90e1071a0381a6c91d1f98ce0a1d995a3c536676b7f7217f1acf47a2b7fb398 |
| Manifest | e2ff9d78025c324b7d2e814be906f16ecff1abd288e8edff8fa020984f38a3ef |
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 | alPhY5pi6KOwUa4h9sQSugJKKFOgwOECgMyHlL2TrFmONl5VpbLu9+eF33Ec960RxrYg6TFaaGfFmJzhOprFCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:47:25.015781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057840observed f90e1071a0381a6c91d1f98ce0a1d995...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:47:24.998706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057840/manifest.jsonobserved e2ff9d78025c324b7d2e814be906f16e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:24.981489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057840/publication.mdobserved c4a6ad77f4250b3dd27c310f1f2d8d48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:24.963542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057840/publication.txtobserved d3c6d4ae0c54834fee05b701be5a6676...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. |
|---|