OT-2026-000020818
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000020818) never changes.
Identity and time
| Publication number | OT-2026-000020818 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-77bc-b7fb-ae22700a0142 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020818 |
| Status | PUBLIC |
Content hashes
| Canonical text | ae2cdf5991cabe01356d1e0026564bd6d747083295b11f2a8a627413dc523cc4 |
|---|---|
| Markdown | e505fdf1af5be87afc6bcfdfe6c4cfa9fa5b166d306fb2eafa1f1ceb476adb4b |
| Publication page | 6de6aac52ad090088af0aaff39bfeff64372bb1bd8ac3dd1dc64505da4e8e6f5 |
| Manifest | 5d8cd4a0f453f74867d5d7a1941681b12f955785d06a49b29d598c6ada4943aa |
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 | e8dPe1lPGE1Ilh9odz2pF7Bs0YKiNqLdBQ4A4PjyzXwvLzKEorg8QrKefPB187j/EbY+5C+K8MmS0cAzu7gNBg== |
| 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
| 2026-11-01T08:41:49.176110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020818observed 6de6aac52ad090088af0aaff39bfeff6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T08:41:49.114943Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020818/manifest.jsonobserved 5d8cd4a0f453f74867d5d7a1941681b1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T08:41:49.068219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020818/publication.mdobserved e505fdf1af5be87afc6bcfdfe6c4cfa9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T08:41:48.956646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020818/publication.txtobserved ae2cdf5991cabe01356d1e0026564bd6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:42:35.083767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020818observed 6de6aac52ad090088af0aaff39bfeff6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:42:34.934092Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020818/manifest.jsonobserved 5d8cd4a0f453f74867d5d7a1941681b1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:42:34.767977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020818/publication.mdobserved e505fdf1af5be87afc6bcfdfe6c4cfa9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:42:34.364293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020818/publication.txtobserved ae2cdf5991cabe01356d1e0026564bd6...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|