OT-2026-000030291
Publication integrity record
Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pulsed blow-off before set-down, on a tool changer
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-2026-000030291) never changes.
Identity and time
| Publication number | OT-2026-000030291 · never reused |
|---|---|
| Internal UUID | 01a0ae73-e501-7923-b5b7-174aa69aacd1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:26.007257Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030291 |
| Status | PUBLIC |
Content hashes
| Canonical text | ffd16a3a838df5d3c70665a9c561b24ead130e1340e2a878c0d51ac3bbe0fd81 |
|---|---|
| Markdown | 6241b13e69c579da2c8b208f5096366474a73da80816b91b706489480ae86cf5 |
| Publication page | ccb13b3dc4509c219f8431f439f99c251fe49550b03aa091c0beb6ea870a1b1d |
| Manifest | 713c5a402d4255242206171c4e46799c0dc02f25963cefc15372555cad81a2e0 |
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 | thCUzCIpIHAgScJA8TryeNwx080EUtiKvG3Ft/9gu70qHCZwLgLOi/ZRRaAqugdN4bzOOxQJCMWRFSsn2EHQCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T08:42:27.235913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030291observed ccb13b3dc4509c219f8431f439f99c25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:42:26.966068Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030291/manifest.jsonobserved 713c5a402d4255242206171c4e46799c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:42:26.248330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030291/publication.mdobserved 6241b13e69c579da2c8b208f50963664...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:42:25.745263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030291/publication.txtobserved ffd16a3a838df5d3c70665a9c561b24e...fetched by grabo-systems from 34.44.131.203, 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. |
|---|