OT-2026-000049557
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000049557) never changes.
Identity and time
| Publication number | OT-2026-000049557 · never reused |
|---|---|
| Internal UUID | 01a0ae81-8f7d-74e6-b5fb-15615370c345 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:21.728203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049557 |
| Status | PUBLIC |
Content hashes
| Canonical text | f35e6d68144469c27d8791601f6c4b1948a0a56fcadda42018864305a9837963 |
|---|---|
| Markdown | 68471394aa6d99adf5bf35e2bfc71eb482ad53c630c8bd76229b1772336a4052 |
| Publication page | bd137a0de21c38ae1f9d98c7c4901dc61c7107453ff888c9e84d7a207c8f417a |
| Manifest | c4c87765dc24b4ffb16b7c52b1f9dafe31b7d7d547dca91076c4fdf0d64f351d |
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 | KvPqT+x3ZlyOVn5kYx7QuBDemLJrY38OLCcbiyvDp4nfgqRGFdeIidmMZIRhKp1xYs6q+PsZpmVLDxqCO5FnBQ== |
| 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
| 2026-09-17T11:02:25.718856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049557observed bd137a0de21c38ae1f9d98c7c4901dc6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:02:25.699786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049557/manifest.jsonobserved c4c87765dc24b4ffb16b7c52b1f9dafe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:25.681401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049557/publication.mdobserved 68471394aa6d99adf5bf35e2bfc71eb4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:25.662360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049557/publication.txtobserved f35e6d68144469c27d8791601f6c4b19...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. |
|---|