OT-2026-000022553
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-2026-000022553) never changes.
Identity and time
| Publication number | OT-2026-000022553 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4ff-7ec3-ab76-15fa19fc7275 · 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-2026-000022553 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7f8ec49ac2357cd6f309bb03fc09fdf178d1ef9a7ec9b93cde5930953abc9b92 |
|---|---|
| Markdown | 83498bab9e2040a18174522447561ef1f1f254ba9610db7817e1a499fb6e16cd |
| Publication page | a403509cd1d8d75955ee20065d1a998c09e130ae7138c55d955a3ca94b453d95 |
| Manifest | fab984595a61ab617540db17115655cfebcd9ba3e16b7ca89c25c300d41d9631 |
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 | Lqvz25V924c1+uXpZpvJ6SeYBBjYIMd1/OELVx26j5tLVdPem7tpSIpZCumJe1/dJ+8ZmpFOCzT4LGICgA2dAg== |
| 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
| 2026-09-17T11:52:46.103378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022553observed a403509cd1d8d75955ee20065d1a998c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:46.082044Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022553/manifest.jsonobserved fab984595a61ab617540db17115655cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:46.064995Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022553/publication.mdobserved 83498bab9e2040a18174522447561ef1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:46.047912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022553/publication.txtobserved 7f8ec49ac2357cd6f309bb03fc09fdf1...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. |
|---|