OT-2026-000020855
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000020855) never changes.
Identity and time
| Publication number | OT-2026-000020855 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-71d4-bea3-acb394b799e2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020855 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7a594cffa32448b7cbc14b68aa0876e066de55d926c6dc11fe4fe5164548dd75 |
|---|---|
| Markdown | db50b592555345d213193dda128c942d3d8d22f332de797d40c8c3b1f2bdcb59 |
| Publication page | ce6f0c1dd0bfee115953bf322901470ac9008f636a1741ad5ebb0e08cd80b5d6 |
| Manifest | 05f2a0eace91624442914db6d093ee9ca3b41ea109e14884502e80c152c4b518 |
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 | DrkRTiCz7Mx6tHEKL0v8su71z+S7HdboKZ0Np9SwVcJgVGyR6kcWK1TeNXn7IMVAoNufuMRHTWUKjIaBSV1GAg== |
| 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
| 2026-09-17T11:55:57.323319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020855observed ce6f0c1dd0bfee115953bf322901470a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:57.306221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020855/manifest.jsonobserved 05f2a0eace91624442914db6d093ee9c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:57.287016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020855/publication.mdobserved db50b592555345d213193dda128c942d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:57.267320Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020855/publication.txtobserved 7a594cffa32448b7cbc14b68aa0876e0...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. |
|---|