OT-2026-000044720
Publication integrity record
Single bellows cup vacuum gripper, pump fed, pulsed blow-off after 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-2026-000044720) never changes.
Identity and time
| Publication number | OT-2026-000044720 · never reused |
|---|---|
| Internal UUID | 01a0ae7c-39da-7abb-a5c3-e9bb1aa17670 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:29:32.012327Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000044720 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9b3fd4332de6e3d0f63f83bb862b7369187caa0ea2aca0e92b457d6a0c3ca5aa |
|---|---|
| Markdown | 8cf4b9fb8d4c02e9a4e05048271ed87f1669e4e34b4be4856c461bbc2904d8b9 |
| Publication page | 77df171c5f3bc4c03f13e972f55067506988d025b12dcbd8de290be48e6467a9 |
| Manifest | aabe6174b166c1f0170d5c5d6f1c1c42b9e73441233272348d870eba1d21e53f |
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 | Rt9mnfBtAav3DZXzLFidpz8nPx3UWKloZ3+lsznjWp1YHNtYfZYVD9BqDxf+tYm5isyKO/a3Am5GL4ymSXvECg== |
| 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
| 2026-09-17T11:11:59.230956Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044720observed 77df171c5f3bc4c03f13e972f5506750...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:11:59.211704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044720/manifest.jsonobserved aabe6174b166c1f0170d5c5d6f1c1c42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:11:59.192040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044720/publication.mdobserved 8cf4b9fb8d4c02e9a4e05048271ed87f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:11:59.173737Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044720/publication.txtobserved 9b3fd4332de6e3d0f63f83bb862b7369...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. |
|---|