OT-2026-000007491
Publication integrity record
Porous face vacuum gripper, pump fed, contact triggered on the face, open 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-2026-000007491) never changes.
Identity and time
| Publication number | OT-2026-000007491 · never reused |
|---|---|
| Internal UUID | 01a0a980-c3f9-798d-acb5-80072fdcae80 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:16:23.420058Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007491 |
| Status | PUBLIC |
Content hashes
| Canonical text | 65c86ce57eb3f3234637a060648f05f36c16f1d6c6061be6a7230371d3d2c6fb |
|---|---|
| Markdown | 1524da112f34107f462b8d4a6ec5be35bb2b4c8195bc07e2658bea9b59bee01b |
| Publication page | a74c60f324120ba37a163bfce33c8d3e45f6391591e77ed8365798ddc5c0f165 |
| Manifest | aab812a22c2667e96003e09f7dc071611d9736ad9681260e22762bfb38a3a709 |
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 | Hae3gvqIwuayRsHArtymR+8nPtTEIfRnPg2dXZwMqZbavN189iz4xcsYzcdp5ubNIcWxFMiohvB9gI1Hn7+QBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-09-16T09:20:02.416083Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007491observed a74c60f324120ba37a163bfce33c8d3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:20:02.402701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007491/manifest.jsonobserved aab812a22c2667e96003e09f7dc07161...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:02.388272Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007491/publication.mdobserved 1524da112f34107f462b8d4a6ec5be35...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:02.348044Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007491/publication.txtobserved 65c86ce57eb3f3234637a060648f05f3...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. |
|---|