OT-2026-000017072
Publication integrity record
Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000017072) never changes.
Identity and time
| Publication number | OT-2026-000017072 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-591b-7ddc-a3b5-1dc4544c65df · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:22.507214Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017072 |
| Status | PUBLIC |
Content hashes
| Canonical text | cc995a7d0ee0b9de056f64757e92c93e78c320a3f6e655fca192946a6f00d44d |
|---|---|
| Markdown | 09f4345d096b7adca4dba12f4540227dc061f392e97a5994dd991f1200bdce2b |
| Publication page | eb198d52912744d43f761dbc136d75c2a5f176c9173827728f12aa955fd29008 |
| Manifest | 0b6ab1848afdc5bf76d7ce382fe9756a4698c10c151ae6d68e043fd84d0fc3ec |
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 | 7YkJqjXjguPW5THuiTEJsardtURHsZEy/M4HQqVmCqDY35Rj5hSG1bib0zlSyERtTwX7RdqsVbyMY7FEytABDA== |
| 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
| 2026-09-17T08:43:21.241376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017072observed eb198d52912744d43f761dbc136d75c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:43:20.798363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017072/manifest.jsonobserved 0b6ab1848afdc5bf76d7ce382fe9756a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:43:20.502273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017072/publication.mdobserved 09f4345d096b7adca4dba12f4540227d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:43:19.973309Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017072/publication.txtobserved cc995a7d0ee0b9de056f64757e92c93e...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
| Custody package | Pending Custody packages are produced weekly. |
|---|