OT-2026-000020281
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000020281) never changes.
Identity and time
| Publication number | OT-2026-000020281 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7c2f-af67-2fb35219e4a8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020281 |
| Status | PUBLIC |
Content hashes
| Canonical text | bc47f5a29cde7ed1bacd4d053c9899c95f06dc526eaf2b7d3d3b70b334e09308 |
|---|---|
| Markdown | 0b8e5c82ffe0351a2fb6a644ea717c8769019b8cbf607e86790776c21becc5c7 |
| Publication page | 7107b82dd9a6c5f9f7ada1883fa72d64e12ece80ebcf465f3b82d847891b81b2 |
| Manifest | cafdf6a5c58e033a30f1dfc19ec7b63b0510c6ed643751ed0ef634f5275f5bd4 |
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 | P2QChrIv2Gqe+czLAcdLp2SWpPnkVGoYHjL61xedFE3BkLA1J1wyBMY6mX8fm6vA7molOrn7M9yrUBlRkRy1Dg== |
| 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
| 2026-09-17T11:56:38.026107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020281observed 7107b82dd9a6c5f9f7ada1883fa72d64...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:38.007120Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020281/manifest.jsonobserved cafdf6a5c58e033a30f1dfc19ec7b63b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:37.989401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020281/publication.mdobserved 0b8e5c82ffe0351a2fb6a644ea717c87...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:37.971946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020281/publication.txtobserved bc47f5a29cde7ed1bacd4d053c9899c9...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. |
|---|