OT-2026-000020031
Publication integrity record
Foam pad vacuum gripper, four zone face, two stage ejector, pulsed blow-off 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-2026-000020031) never changes.
Identity and time
| Publication number | OT-2026-000020031 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb7-709c-aa40-8bbcd2d3d420 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020031 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7130abc33fea6fa5e8fd86f72688d486c95b31f50d8bd56a8e108de2d8b7ba1b |
|---|---|
| Markdown | 12c366d5a8808e3743af248c3cd28d2aa6d0d5acafe47cc4e4885bb68cb78fc2 |
| Publication page | 8b75c03527642779d8e524a5054bfa6e7bc3afbef2712e79f30210fcd52af2b3 |
| Manifest | 285e687f24ba9f291d35a2208ecf826f9cebe12879e81e9e16530d7ac543da54 |
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 | KLjhCNvk/Ch8GXTSL/c3ejxSMD6SXlMuOXDrAIKEEW1G+qeWZaWAGC1Eumpjj/p7hZf60LLgmSoTaDdVAWNfDg== |
| 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
| 2026-09-17T11:58:17.183781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020031observed 8b75c03527642779d8e524a5054bfa6e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:17.165120Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020031/manifest.jsonobserved 285e687f24ba9f291d35a2208ecf826f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:17.146642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020031/publication.mdobserved 12c366d5a8808e3743af248c3cd28d2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:17.128504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020031/publication.txtobserved 7130abc33fea6fa5e8fd86f72688d486...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. |
|---|