OT-2026-000021107
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000021107) never changes.
Identity and time
| Publication number | OT-2026-000021107 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-7aca-ab3b-5e6f431645b0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021107 |
| Status | PUBLIC |
Content hashes
| Canonical text | fef762565e0718d40858b4015d976865079802ef9b0a4790a0c36d89a5e7654e |
|---|---|
| Markdown | ed3fec9fc8b7170d2b7b1f04459c93a9b9a7f77df326b40b00dcefddb6a81977 |
| Publication page | d5f34c7a71e67e6732997c01035d7a5bd3a5f72da9b097d0bdb1ec603a72d6d7 |
| Manifest | 84cfd73fe15f8608e0394b1c35e820da6c8c8289b5e5388928609adaa4a8dc75 |
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 | G4F707lSDkuSPiRUiRj3qGDxO1/dRzfSnCN55GQKGSNfgTKDrZXY0bFH9r9jhkGZcXbLRr1IjNrETpe5PMtYAA== |
| 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
| 2026-09-17T11:54:50.784786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021107observed d5f34c7a71e67e6732997c01035d7a5b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:50.768258Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021107/manifest.jsonobserved 84cfd73fe15f8608e0394b1c35e820da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:50.750220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021107/publication.mdobserved ed3fec9fc8b7170d2b7b1f04459c93a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:50.731150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021107/publication.txtobserved fef762565e0718d40858b4015d976865...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. |
|---|