OT-2026-000049883
Publication integrity record
Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000049883) never changes.
Identity and time
| Publication number | OT-2026-000049883 · never reused |
|---|---|
| Internal UUID | 01a0ae81-fd76-775c-bb94-eb115e4ef6e0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:49.774136Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049883 |
| Status | PUBLIC |
Content hashes
| Canonical text | 79b2b45d511314e2069a7c92a56d40f2cb42cedd214ed27d688f8b9cd69fac85 |
|---|---|
| Markdown | b4f328848812e7ba3476c35a20fc402f6bcfbb952ee39b4e160e30e96bcbbd4b |
| Publication page | c0825e2fbc1de98f35eb96b985eb14c2288e8964409e325049e3b535d31d604a |
| Manifest | ad7c8c63aae06db4706213e1d17b297de3e00fb444f744d767ce8b09dcba986c |
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 | Fs1AKDd4Fg+SFaNyXjEbw6ePiiHix64lzYncIAiz5bafzwIxke/7vaIa5nLkdLeQXY4V6K/RyV1SCKAmeO/GDA== |
| 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
| 2026-09-17T11:01:47.871626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049883observed c0825e2fbc1de98f35eb96b985eb14c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:01:47.854923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049883/manifest.jsonobserved ad7c8c63aae06db4706213e1d17b297d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:47.835242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049883/publication.mdobserved b4f328848812e7ba3476c35a20fc402f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:47.814274Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049883/publication.txtobserved 79b2b45d511314e2069a7c92a56d40f2...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. |
|---|