OT-2026-000003901
Publication integrity record
Bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, pressure verified, contact triggered
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-2026-000003901) never changes.
Identity and time
| Publication number | OT-2026-000003901 · never reused |
|---|---|
| Internal UUID | 01a0a90b-67ec-76d8-8d17-f84cec4a25f5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:12.142632Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003901 |
| Status | PUBLIC |
Content hashes
| Canonical text | f1d87583a50e7f3d823ef10b1752e3756540d55b4a990240c49f056ebea06971 |
|---|---|
| Markdown | 33d2fa4c169fa8b70fd4a96bd4bde6b3d7c47cc9bbcc722b62633688ae7c78b8 |
| Publication page | cb20b44b5e1e6f62ab95eeb9deb56ad0e1c9f7d361b9404d139318e77622e23c |
| Manifest | 1d5d3031abf0de81e457c1b84e16be01991f2eb429bd4f9e2f61b5fe341d4247 |
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 | hljstSgHUhqbTHQQD4ejUPzc19h0V9FZmhmRwvb+pTN+yzI365yN6CKfxlwU67rl+GJeDDiCnfsCEKdJPpNIAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T08:43:17.900006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003901observed cb20b44b5e1e6f62ab95eeb9deb56ad0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:43:17.648958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003901/manifest.jsonobserved 1d5d3031abf0de81e457c1b84e16be01...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:17.483520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003901/publication.mdobserved 33d2fa4c169fa8b70fd4a96bd4bde6b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:16.908848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003901/publication.txtobserved f1d87583a50e7f3d823ef10b1752e375...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:13.379352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003901observed cb20b44b5e1e6f62ab95eeb9deb56ad0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:13.364589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003901/manifest.jsonobserved 1d5d3031abf0de81e457c1b84e16be01...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:13.352245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003901/publication.mdobserved 33d2fa4c169fa8b70fd4a96bd4bde6b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:13.339382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003901/publication.txtobserved f1d87583a50e7f3d823ef10b1752e375...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. |
|---|