OT-2026-000072570
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000072570) never changes.
Identity and time
| Publication number | OT-2026-000072570 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89d8-7bf0-bb64-fc17856c1dae · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072570 |
| Status | PUBLIC |
Content hashes
| Canonical text | 278989197dc2f34b23e5140c822a9179a5db0244dd8ede9c053915ceb0560974 |
|---|---|
| Markdown | 3bd301f1918877c87f8e074eabdf32e1129be618d6de418f0c63d705756db583 |
| Publication page | c3ec1b5fd7e26002113647b3cc52291ad3cfaa05dc673b2cdfd2003ca6e5321b |
| Manifest | 362090b6ea69bc9709462b9f0e3a20edd51fcfe4031c162bb78b7be0a06640e9 |
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 | zMio9SYeZMMDAPI9UaCWBF8mNL/cngkJY+P3AtWpPZm2WiXzxYrsV8x3/Shn+aHlbPYbI+q9Q50XVAoXzEcoDQ== |
| 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
| 2026-10-26T08:41:08.767939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072570observed c3ec1b5fd7e26002113647b3cc52291a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T08:41:08.693993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072570/manifest.jsonobserved 362090b6ea69bc9709462b9f0e3a20ed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T08:41:08.629791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072570/publication.mdobserved 3bd301f1918877c87f8e074eabdf32e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T08:41:08.543326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072570/publication.txtobserved 278989197dc2f34b23e5140c822a9179...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T08:41:37.807440Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072570observed c3ec1b5fd7e26002113647b3cc52291a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T08:41:37.756356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072570/manifest.jsonobserved 362090b6ea69bc9709462b9f0e3a20ed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T08:41:37.707120Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072570/publication.mdobserved 3bd301f1918877c87f8e074eabdf32e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T08:41:37.521651Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072570/publication.txtobserved 278989197dc2f34b23e5140c822a9179...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 |
|---|