OT-2026-000020431
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000020431) never changes.
Identity and time
| Publication number | OT-2026-000020431 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-76b9-9624-d3a78acf469d · 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-2026-000020431 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9cecde3ffd435cba7dce8ee9015f24506a308f4369aa86116c9c58ede74b0229 |
|---|---|
| Markdown | a3025567609cd8f02e785934f611939152973707fa3a059043bf9199d1fe704f |
| Publication page | 4a1f95d9e4b1144261e01b6b2df5233ff30a5a0fcac1e76d6a9a27e5d0d27e7f |
| Manifest | fac804bd30a92d2dfb685507c27ebf75f248018bea0cc3ff3335c466175fd817 |
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 | R8euLZ4G7JOFYzouP5XzUvwwLpzgffBr/dEGJTz+LIEINMKK4Vh0IN7ZLyRpoQVQFjdJbMMjWdMClEcAR+0YDg== |
| 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
| 2026-09-17T12:00:21.025711Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020431observed 4a1f95d9e4b1144261e01b6b2df5233f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:21.004102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020431/manifest.jsonobserved fac804bd30a92d2dfb685507c27ebf75...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:20.985371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020431/publication.mdobserved a3025567609cd8f02e785934f6119391...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:20.962121Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020431/publication.txtobserved 9cecde3ffd435cba7dce8ee9015f2450...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:24.888108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020431observed 4a1f95d9e4b1144261e01b6b2df5233f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:24.871777Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020431/manifest.jsonobserved fac804bd30a92d2dfb685507c27ebf75...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:24.854914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020431/publication.mdobserved a3025567609cd8f02e785934f6119391...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:24.838354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020431/publication.txtobserved 9cecde3ffd435cba7dce8ee9015f2450...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. |
|---|