OT-2026-000004246
Publication integrity record
Bellows cup vacuum gripper, four zone face, pump fed, pressure verified
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-2026-000004246) never changes.
Identity and time
| Publication number | OT-2026-000004246 · never reused |
|---|---|
| Internal UUID | 01a0a912-8805-77db-bab1-e1fb956adfa7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:15:59.112708Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004246 |
| Status | PUBLIC |
Content hashes
| Canonical text | 323bb518302b464d53844a7c9f13460f99c47f76eb46b1d206d292c5f3ddcff7 |
|---|---|
| Markdown | 7e69a80ebb107bfe2aac89564eb19522fe91fd703c4fdadaab37f1aa9b9e2c04 |
| Publication page | 670c9ce99d83ce88bb36f16882a6fbb57c18800cd82da6cec06244a1c8c0a4f4 |
| Manifest | 31e233dbdb7c2a5d3989377d8dff2278d892757923022fb23fbb2d93262b372f |
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 | UH9bqdE3rgyOlO7lnZ7Jnl3j0d86oLr3snSjFTLy0JwWmXikgcML07mhdbSe7abpHhNBsin1yt1BfD9w3D5bBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:19.662600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004246observed 670c9ce99d83ce88bb36f16882a6fbb5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:19.649292Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004246/manifest.jsonobserved 31e233dbdb7c2a5d3989377d8dff2278...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:19.635632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004246/publication.mdobserved 7e69a80ebb107bfe2aac89564eb19522...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:19.621251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004246/publication.txtobserved 323bb518302b464d53844a7c9f13460f...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. |
|---|