OT-2026-000012521
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000012521) never changes.
Identity and time
| Publication number | OT-2026-000012521 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-39f7-75ba-ae7d-fe4e31d62430 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:08.998406Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012521 |
| Status | PUBLIC |
Content hashes
| Canonical text | ea7717eeaf553a12aa200195278b8a2972e5f5525e236bfb71f1f526f4023758 |
|---|---|
| Markdown | c0e55719f39f5c911a54b77929a4487f203382bddc0e02872cfca5e19fc97354 |
| Publication page | ad59034b62471a9d89c1a62e81b5b468089199d4558dbc977396681a7ea6b92d |
| Manifest | 4002bc7c282ca6e1f8ce1eb9351c07ca662569cf44e76dd22076db10839f21d1 |
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 | CCXU/Ot34m/aJ3VI/uqkiJ2peNW/wTzr2PZBccHzr6g5HCZEJyBiYPT6ItLZgSnxYtmxcdv4ctwT0DhZp3xXAQ== |
| 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
| 2026-09-17T20:43:04.271832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012521observed ad59034b62471a9d89c1a62e81b5b468...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T20:43:03.996497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012521/manifest.jsonobserved 4002bc7c282ca6e1f8ce1eb9351c07ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:43:03.590578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012521/publication.mdobserved c0e55719f39f5c911a54b77929a4487f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:43:03.151264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012521/publication.txtobserved ea7717eeaf553a12aa200195278b8a29...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:02.683003Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012521observed ad59034b62471a9d89c1a62e81b5b468...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:02.664444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012521/manifest.jsonobserved 4002bc7c282ca6e1f8ce1eb9351c07ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:02.646142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012521/publication.mdobserved c0e55719f39f5c911a54b77929a4487f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:02.627797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012521/publication.txtobserved ea7717eeaf553a12aa200195278b8a29...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. |
|---|