OT-2026-000022557
Publication integrity record
Single cup vacuum gripper, 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-2026-000022557) never changes.
Identity and time
| Publication number | OT-2026-000022557 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4ff-7059-9ce2-b2c1f577c1aa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022557 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9402dcdcf0958872565cf1245c769ae46dc98ec28aa72bb5a204a27fbf68d5c4 |
|---|---|
| Markdown | 96cf496ecb2277f93c774e3700efb6a8e9cce5c53363fb1973e05976bda07223 |
| Publication page | 15564d63c913739d4cbb530d078be1af1fd750b897dc8381b46bf0a0b18e4903 |
| Manifest | fe28ec257219da74fdec1b2b05bea6ccded015c9403daa4e7b988b9f670f83f8 |
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 | VUngee/Zaq4mwKATwvkIBylSz+M39rZ9xDpM4oY9DqGVaP4MlqWgrqgRp8tj8RsvA79b+2lxP+sAksGUhZqkCg== |
| 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
| 2026-09-17T11:53:59.644275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022557observed 15564d63c913739d4cbb530d078be1af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:53:59.625472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022557/manifest.jsonobserved fe28ec257219da74fdec1b2b05bea6cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:59.607124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022557/publication.mdobserved 96cf496ecb2277f93c774e3700efb6a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:59.589008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022557/publication.txtobserved 9402dcdcf0958872565cf1245c769ae4...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. |
|---|