OT-2026-000006421
Publication integrity record
Porous face vacuum gripper, four zone face, two stage ejector, contact triggered, closed cell
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-2026-000006421) never changes.
Identity and time
| Publication number | OT-2026-000006421 · never reused |
|---|---|
| Internal UUID | 01a0a95a-a470-7d56-a9fd-7d066c15375f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:34:44.979459Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006421 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6efc8f7e523e561371945f5e5460cf14dd26fc57f410944bc8dd3dc4cbb664ee |
|---|---|
| Markdown | c0ea9bd1f1c19f5415b72ada46b4d25a148b6e0e7b354381e846aec08501cfed |
| Publication page | 784335f2a980fd81d044cafb75b132d212d5943a3775f50178cda17295371677 |
| Manifest | d00a6c5418c75313f504b9d4549ff1cd0b92e29b7b9bb76bada913e67c5d2da5 |
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 | 8kNrwDMUUtE3ihxBY/DJgYsehnCemBbsY56wrOUVCBsrwKt7+7/hAQ+45gKrLGn1yI1kb30YnXLP7l8gfs5uAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:40:19.496372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006421observed 784335f2a980fd81d044cafb75b132d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:40:19.481288Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006421/manifest.jsonobserved d00a6c5418c75313f504b9d4549ff1cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:19.466964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006421/publication.mdobserved c0ea9bd1f1c19f5415b72ada46b4d25a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:19.452284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006421/publication.txtobserved 6efc8f7e523e561371945f5e5460cf14...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. |
|---|