OT-2026-000004500
Publication integrity record
Porous face vacuum gripper, six outlet manifold, pump fed, pressure verified, vented before set down
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-2026-000004500) never changes.
Identity and time
| Publication number | OT-2026-000004500 · never reused |
|---|---|
| Internal UUID | 01a0a91a-1023-76a5-a129-103960a7e21e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:24:12.709840Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004500 |
| Status | PUBLIC |
Content hashes
| Canonical text | 78ff3d53c44fec2680d668b11427010f88484b4fb269563cc22d1e6d4894fc9a |
|---|---|
| Markdown | 39ef0cfa602408cb56ec189eafde95daa234518f157148bab6d237b6c398d12a |
| Publication page | a5a09ad35ddd71477b194c027353253ba9cc89d10d3a48d74b798f496399dede |
| Manifest | 9f628a89214b71ffd4f06c9f2769d2aa4b962d7f5d61adc8124fc625c0a406ea |
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 | WDY6KN6vNRkNKAdUVArTa6ue5qlwxdJp+l3YtBtsP3rY0Vk5r+B0lVg0Ngclz6T5OJ9kviXinuhL+A/BdozWBQ== |
| 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
| 2026-09-16T07:30:20.960125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004500observed a5a09ad35ddd71477b194c027353253b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:20.946963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004500/manifest.jsonobserved 9f628a89214b71ffd4f06c9f2769d2aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:20.935152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004500/publication.mdobserved 39ef0cfa602408cb56ec189eafde95da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:20.922613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004500/publication.txtobserved 78ff3d53c44fec2680d668b11427010f...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. |
|---|