OT-2026-000004640
Publication integrity record
Porous face vacuum gripper, per zone isolation, three outlet manifold, two stage ejector
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-2026-000004640) never changes.
Identity and time
| Publication number | OT-2026-000004640 · never reused |
|---|---|
| Internal UUID | 01a0a91e-8d62-7eca-acec-0bf8187146c0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:29:06.917637Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004640 |
| Status | PUBLIC |
Content hashes
| Canonical text | f60fcfba2e3af329a231f5471953eb053f1fe734198be8cb482ebec9ea159db0 |
|---|---|
| Markdown | eb6b79eca4bf465470101f668ce3f2a70edb0f522e971cb6687aaf301f52e8fe |
| Publication page | cd88071cff083ccc6313b6ac3244fe7de099ef9b332d576d00510620194d4dd7 |
| Manifest | 322c4113458b46c71f864f38fa829d9bafbdb6a31e79ffe2e478770c7a07c193 |
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 | wA1lN9DhWVhkpvOvfn2js+zybPoXlvuPzu77m6upkT/uY0ja2kT/G7bicCqv09H8JhZSHt4JmHAREjn46KPQDA== |
| 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
| 2026-09-16T07:30:06.185312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004640observed cd88071cff083ccc6313b6ac3244fe7d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:06.173160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004640/manifest.jsonobserved 322c4113458b46c71f864f38fa829d9b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:06.159916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004640/publication.mdobserved eb6b79eca4bf465470101f668ce3f2a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:06.147255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004640/publication.txtobserved f60fcfba2e3af329a231f5471953eb05...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. |
|---|