OT-2026-000003754
Publication integrity record
Vacuum cup gripper, three zone face, pump fed, pressure verified at each zone, contact triggered
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-2026-000003754) never changes.
Identity and time
| Publication number | OT-2026-000003754 · never reused |
|---|---|
| Internal UUID | 01a0a90a-f5db-7c28-ad7b-7242a17b2751 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:42.942167Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003754 |
| Status | PUBLIC |
Content hashes
| Canonical text | a024ccd04e65aea06ba7fc636fa78fa6dacb5b0709f0acd14921ad5f8e0a583e |
|---|---|
| Markdown | 8247ca397d4801bdfbe40b142f708e3084474db49c83f885734664267d9142ba |
| Publication page | 28b3288e4f849d3ced3437712ec327104f6006ea00b1c65056d0800ff0b8efd5 |
| Manifest | 7cc07e701f457381da4112d6f03c0231a60d58f4d33ce896bff8783df838380a |
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 | 11rPsuqq43l5o4EAYM037jquL9+8ilZMd+/bb1YFQiABkQRBiWuLw+AjTgtcttseqs//qgy8ou+RTlPaWkGoAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:22.346556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003754observed 28b3288e4f849d3ced3437712ec32710...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:22.332032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003754/manifest.jsonobserved 7cc07e701f457381da4112d6f03c0231...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:22.311569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003754/publication.mdobserved 8247ca397d4801bdfbe40b142f708e30...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:22.298943Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003754/publication.txtobserved a024ccd04e65aea06ba7fc636fa78fa6...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. |
|---|