OT-2026-000019185
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000019185) never changes.
Identity and time
| Publication number | OT-2026-000019185 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f391-7c1c-95dc-b7522e01b5a3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019185 |
| Status | PUBLIC |
Content hashes
| Canonical text | fb7f749f62658e4b4b5569324e7715fef0daf47799d6ad0ee326c4451ca5138f |
|---|---|
| Markdown | 848015b566c2203c8d6b8abafd57180c6474b30ce2358fcb1e08d98bb40dcd26 |
| Publication page | 057072974aa07f5c3f082acae351c920691cb5e624b0b3edd8f5abbb9806f46b |
| Manifest | 70ea7901eff65d0a5c8a62668a1274fde5b496b19b1739120128ab15a5d5f030 |
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 | WwX8YC/RNhm4tuMQgO5SL7jXjPpF3aBzUR/ymSnx5JJ8q0q30uVcwlsugSnPaF5Dj+2hdrr3sy9dVOR7Jp0TCw== |
| 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
| 2026-09-17T11:58:30.170605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019185observed 057072974aa07f5c3f082acae351c920...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:30.152792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019185/manifest.jsonobserved 70ea7901eff65d0a5c8a62668a1274fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:30.134186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019185/publication.mdobserved 848015b566c2203c8d6b8abafd57180c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:30.115145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019185/publication.txtobserved fb7f749f62658e4b4b5569324e7715fe...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. |
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