OT-2026-000028516
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000028516) never changes.
Identity and time
| Publication number | OT-2026-000028516 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-793f-b86c-4a64a1a11a4e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028516 |
| Status | PUBLIC |
Content hashes
| Canonical text | af315737c1f8361d76956513751815fe2e3f1e635d10edf0af7120130ba8a17b |
|---|---|
| Markdown | 0c2d4b4505e041a5dd535957db4fe7f593adae978e1d3d46b16a5f39911799ed |
| Publication page | f2fe0f8a2402a7f402551a9aaf5fcc5280da63058e61c0fdf8009882e364ca03 |
| Manifest | 8f1d94ac0230ec95eeaca1b4381e9650cb5dc7e693d391e192910a1990f76882 |
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 | HpWOwcxishNWT6/bQhqDb+p9iFqZgnYZqMh9LTGRBgvIz9CPJNG9LzTMfXUbIRQB49/UAjDTc1U0GNUNrB4pDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:40:47.052996Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028516observed f2fe0f8a2402a7f402551a9aaf5fcc52...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:47.031212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028516/manifest.jsonobserved 8f1d94ac0230ec95eeaca1b4381e9650...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:47.009179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028516/publication.mdobserved 0c2d4b4505e041a5dd535957db4fe7f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:46.990391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028516/publication.txtobserved af315737c1f8361d76956513751815fe...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. |
|---|