OT-2026-000021533
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, 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-2026-000021533) never changes.
Identity and time
| Publication number | OT-2026-000021533 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7467-b41b-23cfda0fff4f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021533 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1678046a49e385d2bc9a0c2fca7eb9dd5edb979b65a842ad7217f8b13a93254a |
|---|---|
| Markdown | 0afa269313c4171a49d05ba5c4c6d6f16efd5b867d1eb33833b6795e0cebb92d |
| Publication page | 061a431d532df5c2a019b1f662246daeeaa99d72f0cd6152ec66549c7e023e14 |
| Manifest | b385b2ec6b05094500eecbee430c039c003747063c4a4e89828d62b1f7db5e2c |
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 | Saciybem9DkUUvwxj+XbsCaZaCmlJeqfkxVg18UPW4HZ6CHJi+gZtNjQRvG39ru8HtTDaZJwayfTFrbDDqKSDg== |
| 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
| 2026-09-17T11:55:27.182837Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021533observed 061a431d532df5c2a019b1f662246dae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:27.163563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021533/manifest.jsonobserved b385b2ec6b05094500eecbee430c039c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:27.145791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021533/publication.mdobserved 0afa269313c4171a49d05ba5c4c6d6f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:27.127305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021533/publication.txtobserved 1678046a49e385d2bc9a0c2fca7eb9dd...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. |
|---|