OT-2026-000015516
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, single 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-2026-000015516) never changes.
Identity and time
| Publication number | OT-2026-000015516 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef4a-760a-80b1-e5c79cc0017e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015516 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9bcd52b7841992cf4c683a21266a6a24dd54098cb37f0237ac76ed786a89c0d7 |
|---|---|
| Markdown | 98fa59d9973154a5776a29bd023bb41fe518d65850c4b72d6bb26eb957738177 |
| Publication page | e5170b6ae2617ced97a5e5141c086a90439b1f6e585fdd35e0705de55f487e2e |
| Manifest | a8935e0a5c941cec9e887f14cb61b16b5bc1398084ac7af5723fc1748791891a |
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 | MBj4Zy1jFGK2M0LjRLr3NmCDUuyNDMR/F9khkA7HwnLm0QENw3Tum1bap4WnnriCkn7kx96ohlTSbMi2l+NCAg== |
| 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
| 2026-10-04T12:41:58.360359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015516observed e5170b6ae2617ced97a5e5141c086a90...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T12:41:58.278882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015516/manifest.jsonobserved a8935e0a5c941cec9e887f14cb61b16b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T12:41:58.216289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015516/publication.mdobserved 98fa59d9973154a5776a29bd023bb41f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T12:41:58.153173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015516/publication.txtobserved 9bcd52b7841992cf4c683a21266a6a24...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:41:54.028551Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015516observed e5170b6ae2617ced97a5e5141c086a90...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:41:53.702505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015516/manifest.jsonobserved a8935e0a5c941cec9e887f14cb61b16b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:41:53.556037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015516/publication.mdobserved 98fa59d9973154a5776a29bd023bb41f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T08:41:53.313280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015516/publication.txtobserved 9bcd52b7841992cf4c683a21266a6a24...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 |
|---|