OT-2026-000005451
Publication integrity record
Porous face vacuum gripper, six outlet manifold, plant vacuum fed
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-2026-000005451) never changes.
Identity and time
| Publication number | OT-2026-000005451 · never reused |
|---|---|
| Internal UUID | 01a0a939-6d88-7b7e-a47f-514ebbcf5411 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:58:28.235629Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005451 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3a828b66d2bfa3d6fa894ac1666cd0c00a46b82dc6261abe5548f20b5b14548c |
|---|---|
| Markdown | 8f8d53239f3b8e8bb95bb807f6ccc1270982137d8d52c6187a30c62e6ca6b909 |
| Publication page | c6f16996e67e6a070c887e656ddec25c61fddd28554e0a1699afd3b602a36da3 |
| Manifest | dcea66b241b4a5db164d1ba3e0a43ec2a4dffb2cf06c67e6d5f7a9f84674bacb |
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 | haNqXuvOZP5pKIBaEyFSa5qQpYlgXUXvVbBAKYrNDu8GltwXQ7bRlNmpC355CFPZJOY7f+qp/p8Pie7q9/ldAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:44:59.657122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005451observed c6f16996e67e6a070c887e656ddec25c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:44:59.418103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005451/manifest.jsonobserved dcea66b241b4a5db164d1ba3e0a43ec2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:44:59.128731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005451/publication.mdobserved 8f8d53239f3b8e8bb95bb807f6ccc127...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:44:58.902020Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005451/publication.txtobserved 3a828b66d2bfa3d6fa894ac1666cd0c0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:07.963168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005451observed c6f16996e67e6a070c887e656ddec25c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:07.949917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005451/manifest.jsonobserved dcea66b241b4a5db164d1ba3e0a43ec2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:07.936330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005451/publication.mdobserved 8f8d53239f3b8e8bb95bb807f6ccc127...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:07.919822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005451/publication.txtobserved 3a828b66d2bfa3d6fa894ac1666cd0c0...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. |
|---|