OT-2026-000052988
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000052988) never changes.
Identity and time
| Publication number | OT-2026-000052988 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a430-7d73-bb36-7b198a8e34e5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052988 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5334a83b741d0d219c899e24386f5da844c6c64c19da91ae53ece6320430fe4d |
|---|---|
| Markdown | 9db44b11204585221e8bc5749a9b17635ff30819851aa3aa471f61dbc04165d5 |
| Publication page | 2ebf735f0d39a7f944c1a2c12412319188c9ef9f6a73020cc8266f76e1a0e334 |
| Manifest | 2cf1575077a98ecfd7667575fbb1e05023da0602eccffe38dafa3ac257ffd5cf |
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 | hinrfQk2Bl3wMwoGSrp4JTzJB4LIIaOswakktyBI8II6jLMkGzXb3ADnS5kemNpZokFnTsXOX54VsA7ymQPgCQ== |
| 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
| 2026-09-17T10:56:40.829351Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052988observed 2ebf735f0d39a7f944c1a2c124123191...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:40.809547Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052988/manifest.jsonobserved 2cf1575077a98ecfd7667575fbb1e050...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:40.790913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052988/publication.mdobserved 9db44b11204585221e8bc5749a9b1763...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:40.773250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052988/publication.txtobserved 5334a83b741d0d219c899e24386f5da8...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. |
|---|