OT-2026-000004810
Publication integrity record
Porous face vacuum gripper, three outlet manifold, pump fed, pressure verified at each zone
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-2026-000004810) never changes.
Identity and time
| Publication number | OT-2026-000004810 · never reused |
|---|---|
| Internal UUID | 01a0a924-0faa-74e9-a9c1-a25e592ea10a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:35:07.949233Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004810 |
| Status | PUBLIC |
Content hashes
| Canonical text | c02fc8d8bcdfc5a5d0dd8b55d70a9a5250b944a4f0464dc53d118a31d89483fe |
|---|---|
| Markdown | cc9a619d5c70639b6f9e72864b49e9131895d5301e6f7b1766b73431c35e39a4 |
| Publication page | 2219a42f3106466700a468834420e33cb306139c62aa0227e15832799cea743c |
| Manifest | 28c4e135d47baf45628fa8ea6198f8a3957120cad34405dff4dd9bb232d75000 |
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 | 6AoL3wF01clVsBPb9fPqp03Q9cRw57L7MTpDTXpEOGZINsF2bLiN29z0GFFsgfkGMiY/lJ5P0F5unxw1pK+nAg== |
| 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
| 2026-09-16T07:40:16.646906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004810observed 2219a42f3106466700a468834420e33c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:16.634839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004810/manifest.jsonobserved 28c4e135d47baf45628fa8ea6198f8a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:16.621124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004810/publication.mdobserved cc9a619d5c70639b6f9e72864b49e913...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:16.498594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004810/publication.txtobserved c02fc8d8bcdfc5a5d0dd8b55d70a9a52...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. |
|---|