OT-2026-000056172
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000056172) never changes.
Identity and time
| Publication number | OT-2026-000056172 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4c-79d8-8084-3b6516c99b76 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056172 |
| Status | PUBLIC |
Content hashes
| Canonical text | f9254106e118975318a9c27b3d2099ed775f5a33110c85c4de3150a5c26f6c7c |
|---|---|
| Markdown | 628c7bbe1961a9f16577650eb3b786cbefe23334bf1fe498c5f943f9c725d7ec |
| Publication page | f2c0c19aa9cf271d249d2db8af617bb58caeb0c760fe48edebfd9b879a009004 |
| Manifest | 66fbc09d4f4a9059cfb879c3abb5ca79eefdd9d577992ed1e5de37783c9f12ab |
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 | D1y9jsjzarwbdEfRJzHYrDHdjVCr+5VYHqMniksUmdP0kFyXW8Uc6YutbplzsIiM8r7pZR8E+Ecd+iZUAqDoCQ== |
| 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
| 2026-09-17T10:51:43.940841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056172observed f2c0c19aa9cf271d249d2db8af617bb5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:43.923842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056172/manifest.jsonobserved 66fbc09d4f4a9059cfb879c3abb5ca79...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:43.906586Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056172/publication.mdobserved 628c7bbe1961a9f16577650eb3b786cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:43.887218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056172/publication.txtobserved f9254106e118975318a9c27b3d2099ed...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. |
|---|