OT-2026-000020577
Publication integrity record
Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000020577) never changes.
Identity and time
| Publication number | OT-2026-000020577 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-71d0-b5c4-2fee0e42f527 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020577 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8e73e7812008cfcfa54e5039182e41686915862e6b38e42f71221b2c16197028 |
|---|---|
| Markdown | 025d3bf30e9d40f645624a4e92d181671e5ea07391e7e4d35fd7e08836e2cba5 |
| Publication page | 57f05b46198628ee516a18136996d4485a31ceae501ecb7cd5789e3aac861f7b |
| Manifest | 116ea3cb895cc21d8115083b252861225ce67b384ad280597e8bd054a21b6cb5 |
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 | k1WNEV9fSV+7DZznOPzTWmBTlxaK+YjL0R+BUCdAvN9dYwo0gG5b3lN8DVMM6T4mxtuRIiJ7OGVyDQzZxkANDw== |
| 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
| 2026-09-17T12:00:42.054614Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020577observed 57f05b46198628ee516a18136996d448...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:42.038363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020577/manifest.jsonobserved 116ea3cb895cc21d8115083b25286122...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:42.019108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020577/publication.mdobserved 025d3bf30e9d40f645624a4e92d18167...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:42.000504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020577/publication.txtobserved 8e73e7812008cfcfa54e5039182e4168...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:36.839727Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020577observed 57f05b46198628ee516a18136996d448...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:36.819059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020577/manifest.jsonobserved 116ea3cb895cc21d8115083b25286122...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:36.801470Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020577/publication.mdobserved 025d3bf30e9d40f645624a4e92d18167...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:36.783707Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020577/publication.txtobserved 8e73e7812008cfcfa54e5039182e4168...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. |
|---|