OT-2026-000004092
Publication integrity record
Bellows cup vacuum gripper, two zone face, pump fed, pressure verified at each zone
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-2026-000004092) never changes.
Identity and time
| Publication number | OT-2026-000004092 · never reused |
|---|---|
| Internal UUID | 01a0a90e-9036-7535-845d-b917712ab212 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:11:39.065488Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004092 |
| Status | PUBLIC |
Content hashes
| Canonical text | db21fbcae2bb9641876f1a01ecf4923a38b859b01efc74c8ca8156a5ad47c0e7 |
|---|---|
| Markdown | 71052c83699ec7fc974364cc2f32efcf3da6393a8bcd84bf9f49e09b39daaf59 |
| Publication page | 52e556a95939b16cdbc058ea46de0833ca1086ba7bd50f3749bc51bee58f8ad2 |
| Manifest | 765c40a496c3818aee0d068e27dbf4e59d0103501515de26a6fd6d0fa8aa1206 |
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 | 4jPDyH4+OjAusvh3jVCLDUm9MTyFQXc7QuF/+6t3wO7n/E0gKeUp/jvANomRfK2/K/Wu6B/bKWXlOGUF9MH9Dg== |
| 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
| 2026-09-16T07:30:32.923485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004092observed 52e556a95939b16cdbc058ea46de0833...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:32.909645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004092/manifest.jsonobserved 765c40a496c3818aee0d068e27dbf4e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:32.896470Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004092/publication.mdobserved 71052c83699ec7fc974364cc2f32efcf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:32.884248Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004092/publication.txtobserved db21fbcae2bb9641876f1a01ecf4923a...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. |
|---|