OT-2026-000015528
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-2026-000015528) never changes.
Identity and time
| Publication number | OT-2026-000015528 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef4a-73ad-9f16-edf4e20c252e · 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-2026-000015528 |
| Status | PUBLIC |
Content hashes
| Canonical text | fb3d663c54b2ec3e65ac02ac1280450279d78d05d9e26eba894b5e39a2914e56 |
|---|---|
| Markdown | a4c4bdd3f7e5708cd4659da36d3fe0336fdcc7ebd657cbd1efa7f17347072604 |
| Publication page | b0ff981d1e8c88ba17ec3385bda15a33d6f3afb15522b8854c2168f18b54b52b |
| Manifest | 53d82baebbaec91fdca3ccb225dcdd5dc16b0777dbc49b0e8c89e62ad62e2194 |
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 | r2Mhz+7LrKJS4eHSrDdg7WBCrbDDXOXKsvbLzc4I+LupBZToZnZYOzXcFWAkwheWUaXyTpHvAB4VPO/nuh9lBg== |
| 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
| 2026-10-16T00:41:10.887098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015528observed b0ff981d1e8c88ba17ec3385bda15a33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T00:41:10.787103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015528/manifest.jsonobserved 53d82baebbaec91fdca3ccb225dcdd5d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:10.705290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015528/publication.mdobserved a4c4bdd3f7e5708cd4659da36d3fe033...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:10.495539Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015528/publication.txtobserved fb3d663c54b2ec3e65ac02ac12804502...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:42:06.232683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015528observed b0ff981d1e8c88ba17ec3385bda15a33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:42:06.139158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015528/manifest.jsonobserved 53d82baebbaec91fdca3ccb225dcdd5d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:42:06.042978Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015528/publication.mdobserved a4c4bdd3f7e5708cd4659da36d3fe033...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T16:42:05.917904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015528/publication.txtobserved fb3d663c54b2ec3e65ac02ac12804502...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 |
|---|