OT-2026-000013804
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000013804) never changes.
Identity and time
| Publication number | OT-2026-000013804 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de9-72bf-9daf-9f6591a0d0ac · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013804 |
| Status | PUBLIC |
Content hashes
| Canonical text | d98e58f28967aa53508a66a425ae185719401a503d198433331c2374c65da937 |
|---|---|
| Markdown | 155dbb20e0d3c365c339033f9283266d9b3165014fbee58a5c28622d3b27d576 |
| Publication page | ab147d47a412a5e4bf39530d4b2bccf4d672bee35bc17a3249c6922eb0398947 |
| Manifest | 356b39a05ca49f9f7d84017c806875d54820a797153cbf944eacd8fd73486a58 |
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 | 4e5a6s0EJiTHS5ERNBcWUB9SeK2Ud+bNFke1y+EoUifDOjdVgIZpZHvfkldakI+MLk6gb1FuoyXJSIHnaVOjCA== |
| 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
| 2026-10-20T12:41:18.517746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013804observed ab147d47a412a5e4bf39530d4b2bccf4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T12:41:18.467862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013804/manifest.jsonobserved 356b39a05ca49f9f7d84017c806875d5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:18.415134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013804/publication.mdobserved 155dbb20e0d3c365c339033f9283266d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:18.332758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013804/publication.txtobserved d98e58f28967aa53508a66a425ae1857...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T08:41:41.431822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013804observed ab147d47a412a5e4bf39530d4b2bccf4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T08:41:41.325622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013804/manifest.jsonobserved 356b39a05ca49f9f7d84017c806875d5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T08:41:41.204159Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013804/publication.mdobserved 155dbb20e0d3c365c339033f9283266d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T08:41:41.072074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013804/publication.txtobserved d98e58f28967aa53508a66a425ae1857...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 |
|---|