OT-2026-000004815
Publication integrity record
Porous face vacuum gripper, two zone face, two 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-2026-000004815) never changes.
Identity and time
| Publication number | OT-2026-000004815 · never reused |
|---|---|
| Internal UUID | 01a0a924-36ed-7c32-8f1d-a5a98734e920 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:35:18.000502Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004815 |
| Status | PUBLIC |
Content hashes
| Canonical text | 79ba4577d94c2c859793ae5b5f81cede7394c81d94e6e669e71ad1bbe99ae2c9 |
|---|---|
| Markdown | 187a15261768ecdac96c513056910cc0ea6f1b59bff617dc9a34e8b0a34d0602 |
| Publication page | 3c9d149e53438b951c366edb65f4f7798fb48ca3c5a68f900322c7e012b443d1 |
| Manifest | 43e56865281b5d1ff4c75c97ba68506f792f892fcdbaf54c78aa79455495d18f |
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 | qNayEbNwcXSEDO9WXpZrvujGmLGDxLzBvrqgzwO1oiUW8zbTtA+eTp/k7iOx6DRmznHrz5rRqDXRCJyssefSDw== |
| 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
| 2026-09-16T07:40:16.135190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004815observed 3c9d149e53438b951c366edb65f4f779...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:16.122260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004815/manifest.jsonobserved 43e56865281b5d1ff4c75c97ba68506f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:15.985579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004815/publication.mdobserved 187a15261768ecdac96c513056910cc0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:15.970979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004815/publication.txtobserved 79ba4577d94c2c859793ae5b5f81cede...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. |
|---|