OT-2026-000090480
Publication integrity record
Four cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer
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-2026-000090480) never changes.
Identity and time
| Publication number | OT-2026-000090480 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-7066-a8d4-22247ac48453 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090480 |
| Status | PUBLIC |
Content hashes
| Canonical text | 98f6e221307fee5f927dbd4303e965291d4dd136736ce08ca1abd6cda124cdaf |
|---|---|
| Markdown | 1f4dd54594dab257b7454723fdddf0bda8383385b9548519c6ed47f7688c38a7 |
| Publication page | 84ee98fe6a9f6870f3049b92a9d0383740f389e11fd6c5c75f16bcb5d2b13df9 |
| Manifest | 54a0d9dbee0385d77373fea3e7eabaadb7e70e8d628204fd2f42bacd992775a5 |
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 | ctSod9qs4i0r+3kEcWWB8h5aBxYgl5nxv4V4O67O2Ucz8+PCsOvG18yLyVt7nOiYBLhp8lEOnVDv9esHQY/HDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:36.627507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090480observed 84ee98fe6a9f6870f3049b92a9d03837...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:36.610006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090480/manifest.jsonobserved 54a0d9dbee0385d77373fea3e7eabaad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:36.556290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090480/publication.mdobserved 1f4dd54594dab257b7454723fdddf0bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:36.490925Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090480/publication.txtobserved 98f6e221307fee5f927dbd4303e96529...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. |
|---|