OT-2026-000021801
Publication integrity record
Two cup vacuum gripper, two outlet manifold, pump 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-2026-000021801) never changes.
Identity and time
| Publication number | OT-2026-000021801 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-77df-befc-cc2fba634385 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021801 |
| Status | PUBLIC |
Content hashes
| Canonical text | 706fa31c4e3c22f878cd19d3545168ac535e0a73736a01d9ba29b3f8f188f872 |
|---|---|
| Markdown | 3d89865aa2de1c36ad7317dda9449417a36ec1834e13e5723dbf86ad8e0c7945 |
| Publication page | 4d403810b9668a1b9a1bf50582187c60e59834fc40d39702a00c0e3089f55874 |
| Manifest | 749f51bb8f77ade6fdf979dd9464e26ac6a9ae5697ef111db1032c4542f36afe |
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 | fbIUgQfBJWOQhb6QWAYMoNORa/bZFA3p6v4CvghDd+apXxEDmeavIF28pBPm7DKTb/adx97zYjoTafXA95ZyBw== |
| 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
| 2026-09-17T11:54:21.292469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021801observed 4d403810b9668a1b9a1bf50582187c60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:21.274029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021801/manifest.jsonobserved 749f51bb8f77ade6fdf979dd9464e26a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:21.257015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021801/publication.mdobserved 3d89865aa2de1c36ad7317dda9449417...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:21.237035Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021801/publication.txtobserved 706fa31c4e3c22f878cd19d3545168ac...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. |
|---|