OT-2026-000004344
Publication integrity record
Vacuum cup gripper, per zone isolation, pump fed, pressure verified, polyurethane cups, oval form
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-2026-000004344) never changes.
Identity and time
| Publication number | OT-2026-000004344 · never reused |
|---|---|
| Internal UUID | 01a0a914-a329-7f68-ad1b-d20acc834f23 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:18:17.132109Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004344 |
| Status | PUBLIC |
Content hashes
| Canonical text | 44d2e4587e529bb6a8f10103528bd1159dd0f864fbe03c7f95f3e1e82da929a2 |
|---|---|
| Markdown | 7024dd60cc5f3579b1c54a2e20124122845becd9dfb9711a2f6b1fdf203b98fb |
| Publication page | f814efb8e7afecdae63725e6ae91d9a2876cd4639299516430716a4364ba0711 |
| Manifest | dd5c66ae5667876bd33bb13a2145e608620070daf0f8d10c4705eb8bd3387f5e |
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 | BrI6TFfc0a0cP01WOPNPaHp0smZU0C0msgTNdSrHkHSVsM31StFim5zZSbNXjsgVSFbxyWxvVOyUtA9+tf6UDQ== |
| 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
| 2026-09-16T07:20:08.481219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004344observed f814efb8e7afecdae63725e6ae91d9a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:08.467113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004344/manifest.jsonobserved dd5c66ae5667876bd33bb13a2145e608...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:08.450648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004344/publication.mdobserved 7024dd60cc5f3579b1c54a2e20124122...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:08.434791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004344/publication.txtobserved 44d2e4587e529bb6a8f10103528bd115...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. |
|---|