OT-2026-000089306
Publication integrity record
Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089306) never changes.
Identity and time
| Publication number | OT-2026-000089306 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-db01-7f18-a250-aa230e346199 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:04.880043Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000089306 |
| Status | PUBLIC |
Content hashes
| Canonical text | 796f8281afb34225a2c7403544ed72ead1fe7b2e584298f492fb8a6433eaffc7 |
|---|---|
| Markdown | 3171199b10fe6fee8c8f73e365b969319c159413c1872a75ec76aa8f9390dcdc |
| Publication page | 7d04bf55a63d45b3a06ed2990770cf311ffcc1f3042729e5bc7d6055110acb2e |
| Manifest | d3bced75a031c41e77f9c4e32a92d499496f199891d0aa35705c7164decc1d57 |
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 | ArzhwEKEA4IW8ULo+MNRcd5EY+SyaKtf9tQzU5onlEWvCVlgFbB8xGXf4xS6nXPSKlmS5LbgCpm51z28/qjfCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-30T04:41:42.012492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089306observed 7d04bf55a63d45b3a06ed2990770cf31...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-30T04:41:41.962780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089306/manifest.jsonobserved d3bced75a031c41e77f9c4e32a92d499...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:41.907862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089306/publication.mdobserved 3171199b10fe6fee8c8f73e365b96931...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:41.839082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089306/publication.txtobserved 796f8281afb34225a2c7403544ed72ea...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:12.009461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089306observed 7d04bf55a63d45b3a06ed2990770cf31...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:11.954941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089306/manifest.jsonobserved d3bced75a031c41e77f9c4e32a92d499...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:11.891872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089306/publication.mdobserved 3171199b10fe6fee8c8f73e365b96931...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:11.797160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089306/publication.txtobserved 796f8281afb34225a2c7403544ed72ea...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 |
|---|