OT-2026-000028977
Publication integrity record
Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000028977) never changes.
Identity and time
| Publication number | OT-2026-000028977 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-72bd-b4b5-a078f1c447ea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028977 |
| Status | PUBLIC |
Content hashes
| Canonical text | 095441616cce9ace5b72966960f6359dee84788631f54f7da47a218d5c181aa2 |
|---|---|
| Markdown | 82d66b8487e657bece204488cb696b668296b8cc73b9edd8ea35ab7fcf6b9f48 |
| Publication page | 1f461e0605ca4769945af97605fdc9716a52c90007ea714ffcac1c50ce721ac2 |
| Manifest | 459be92515c482b742a819b2848d58d6325ee9449fae9af1de0608bd3bb8dc3a |
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 | qKhnDGLUA5dTCzz4jRNg0t29/6UnSGEyWnuWrJn61I7ZFen8nCkcG3GV74xTear3h+h/b6tG3vZi9z2acrmnCQ== |
| 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... |
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Independent retrieval
| 2026-09-17T08:20:29.973266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028977observed 1f461e0605ca4769945af97605fdc971...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:29.951184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028977/manifest.jsonobserved 459be92515c482b742a819b2848d58d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:29.790198Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028977/publication.mdobserved 82d66b8487e657bece204488cb696b66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:29.770958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028977/publication.txtobserved 095441616cce9ace5b72966960f6359d...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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