OT-2026-000028521
Publication integrity record
Six cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000028521) never changes.
Identity and time
| Publication number | OT-2026-000028521 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7cc6-a74f-a76739c9d0f3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028521 |
| Status | PUBLIC |
Content hashes
| Canonical text | da71a5c04a708ed7f0ba1e81ab3e63b84251c5ee5b8adca3b3fb73efa8a2a504 |
|---|---|
| Markdown | 670f95ed189e1cb1ffb593b05745d8dcc53e07536a9bb917c52fdb00c77035f8 |
| Publication page | 4ffed081b6744528388f5ab0ffc4372f0f55ce0f4a1300be88cea5c3cf2a7fb4 |
| Manifest | 056b20db0cbc9bd75bd1bcdd0536010f38150516e94abdd76e896f2d54a13256 |
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 | XIL3CUGEgpmnyTrXDZjJU6UmE0eCPT4PLl+2lAT2g2CNoJ/4YHDEHlN/aEJFLCmv0wo0b+NKs1wGYAJH2sDDBw== |
| 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
| 2026-09-17T11:40:47.457574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028521observed 4ffed081b6744528388f5ab0ffc4372f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:47.439783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028521/manifest.jsonobserved 056b20db0cbc9bd75bd1bcdd0536010f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:47.420017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028521/publication.mdobserved 670f95ed189e1cb1ffb593b05745d8dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:47.392537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028521/publication.txtobserved da71a5c04a708ed7f0ba1e81ab3e63b8...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. |
|---|