OT-2026-000004728
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, three outlet manifold, plant vacuum fed, contact triggered
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-2026-000004728) never changes.
Identity and time
| Publication number | OT-2026-000004728 · never reused |
|---|---|
| Internal UUID | 01a0a921-7386-740b-b973-008a30289e23 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:32:16.905118Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004728 |
| Status | PUBLIC |
Content hashes
| Canonical text | b3f687c2a26e33092b6b50aab39f4b2d69da85371f76adc1a5a7905e47374b99 |
|---|---|
| Markdown | a94e6dd14727eee19c0502ccfae1edcd9ee7b337bae926e12d84fc777681389f |
| Publication page | b01913228709783c415f938d4f61501fb46f9d239b1d256760aa975ddd9f57b9 |
| Manifest | 886460a421fd800a84ec2f4b9b00cab553bbc1d76aa257ef02572e5ff53f6b2c |
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 | u9BpCv/ZksVIy3ECIAnGJBGm6wNjULxj+RWX0NhNn647Gbrjqqp9HOwo+CWF4HsZJnMkEYEE4IUXhopNR7NcCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:25.217444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004728observed b01913228709783c415f938d4f61501f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:25.205111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004728/manifest.jsonobserved 886460a421fd800a84ec2f4b9b00cab5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:25.192465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004728/publication.mdobserved a94e6dd14727eee19c0502ccfae1edcd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:25.178757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004728/publication.txtobserved b3f687c2a26e33092b6b50aab39f4b2d...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. |
|---|