OT-2026-000056216
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000056216) never changes.
Identity and time
| Publication number | OT-2026-000056216 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd1-71ff-8a08-e77ecae01b7c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:37.517586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056216 |
| Status | PUBLIC |
Content hashes
| Canonical text | 00bbb783e0e1661ecfe1feae4a7a6e168f0e98abbf1feaaad788afa82ff595e3 |
|---|---|
| Markdown | f56768cab801b0508d744ca5ccdfc596f2127901096ec644371d36ecdead231c |
| Publication page | c50f57a45c75f070f44052089456b8a3709dfc818236268e2fe0494afd4d25e9 |
| Manifest | ec3b0561df9a3850670ca3798eeb019ad89b4d049013b9226c0f4d7aa76a7890 |
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 | UTP6mAEEnd+8pv6UD8e1KyQ140gd1FTXjV912kf2ZVMjKlvnKu/TlZrgdqr5SOF4KDbIiL49Z0ch5YL08b0ZDA== |
| 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
| 2026-09-17T10:50:41.489718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056216observed c50f57a45c75f070f44052089456b8a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:41.471628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056216/manifest.jsonobserved ec3b0561df9a3850670ca3798eeb019a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:41.433341Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056216/publication.mdobserved f56768cab801b0508d744ca5ccdfc596...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:41.416837Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056216/publication.txtobserved 00bbb783e0e1661ecfe1feae4a7a6e16...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. |
|---|