OT-2026-000049887
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-2026-000049887) never changes.
Identity and time
| Publication number | OT-2026-000049887 · never reused |
|---|---|
| Internal UUID | 01a0ae81-fd76-728a-b696-42867b32dddb · 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-2026-000049887 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1124e971800c41601a889b362a651b3ba627635de2a063953191c95609d6c671 |
|---|---|
| Markdown | d80db72a249401d4bf3c7033bea8308a9674e09b8a72314e4c5ed2be621af8c1 |
| Publication page | 721b9844de5de6b7e032e3df0514b464953b42140e27acba0cbd493b9b25469d |
| Manifest | 226ab54c72e8f0932435fb228b899e03a19595c9740223d3be5efc6a3c7db5a0 |
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 | T5/vsA4SxjJ+dtB4bEMbkjgMZUwHayzJXltjG+bEQ8UBULAuTlG/rzsRdmEEZVImOktuJrCan0qg7S2VtWCyBQ== |
| 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
| 2026-09-17T11:01:48.187340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049887observed 721b9844de5de6b7e032e3df0514b464...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:01:48.168817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049887/manifest.jsonobserved 226ab54c72e8f0932435fb228b899e03...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:48.149013Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049887/publication.mdobserved d80db72a249401d4bf3c7033bea8308a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:48.127503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049887/publication.txtobserved 1124e971800c41601a889b362a651b3b...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. |
|---|