OT-2026-000020581
Publication integrity record
Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000020581) never changes.
Identity and time
| Publication number | OT-2026-000020581 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-7815-bd3d-9559e79b9f71 · 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-2026-000020581 |
| Status | PUBLIC |
Content hashes
| Canonical text | 07aa12b8e4767fc76e24c8bf247e73aef2c66598f0aa0699accef24eb8e534bd |
|---|---|
| Markdown | e378ceaf2f9c621de501f3c2cc8cd71ba517a917dec9739499bd9a50c7370c3d |
| Publication page | a9505c1d46694d4a1395cbb6d929730648756395a6b6a135104bdbb6c87a8d81 |
| Manifest | 7bb71a62ce7c77f587cb12d43cf1f872292506a2e64896045d9d771da6804741 |
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 | aSjUVA0fpbuec/+WKVeAwBbtXPPZhpRaG02gQF43jCyO/C9H5Qe9wA++NgX1FpV0YkdROr8yEwMiH3Wu+PN5Cw== |
| 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
| 2026-10-24T20:41:59.250877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020581observed a9505c1d46694d4a1395cbb6d9297306...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T20:41:59.202108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020581/manifest.jsonobserved 7bb71a62ce7c77f587cb12d43cf1f872...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T20:41:59.153591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020581/publication.mdobserved e378ceaf2f9c621de501f3c2cc8cd71b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T20:41:59.098777Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020581/publication.txtobserved 07aa12b8e4767fc76e24c8bf247e73ae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T20:41:19.343839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020581observed a9505c1d46694d4a1395cbb6d9297306...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T20:41:19.266105Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020581/manifest.jsonobserved 7bb71a62ce7c77f587cb12d43cf1f872...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T20:41:19.187391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020581/publication.mdobserved e378ceaf2f9c621de501f3c2cc8cd71b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T20:41:19.110974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020581/publication.txtobserved 07aa12b8e4767fc76e24c8bf247e73ae...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 |
|---|