OT-2026-000054215
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed 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-2026-000054215) never changes.
Identity and time
| Publication number | OT-2026-000054215 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a9-7755-a033-8f76f10f4204 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054215 |
| Status | PUBLIC |
Content hashes
| Canonical text | a9f0cba8b0be629703a73ab010697d4fc193d2cff3efe22b8dea07c3ccb45943 |
|---|---|
| Markdown | 92d355cc0fb8a73a223cc1b968fc70343165bb87a8391297cb99e56648a3e0e8 |
| Publication page | f0ae905400ebdc0e404f50d80315e7f3b08cbeb06271409f9ee7241061d9c20f |
| Manifest | 381d432ee2d53948cb43f251d523dcdc4f3e4d07074aa17769a956fe288363a3 |
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 | W1zZj3/ZrsggXoE8Jmd/C5YYRNOr/fmsVk+2c8SF1gASa3F7dxfFa4gZgxPaa2M/kjxbbaE8IkIecQgP0aluCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:54:41.719802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054215observed f0ae905400ebdc0e404f50d80315e7f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:54:41.700480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054215/manifest.jsonobserved 381d432ee2d53948cb43f251d523dcdc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:41.679311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054215/publication.mdobserved 92d355cc0fb8a73a223cc1b968fc7034...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:41.659626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054215/publication.txtobserved a9f0cba8b0be629703a73ab010697d4f...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. |
|---|