OT-2026-000042026
Publication integrity record
Foam pad vacuum gripper, two stage ejector, sustained blow-off after 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-2026-000042026) never changes.
Identity and time
| Publication number | OT-2026-000042026 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d70-7e3a-9b69-fb65d8bd5e38 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042026 |
| Status | PUBLIC |
Content hashes
| Canonical text | f53e4dea340e46fc46f51adb7a49c915e56e2e72d371488b3319654db83b452f |
|---|---|
| Markdown | 4310382ec2766584852fc9af35361000dba9284dabb955045403bcdd646105c4 |
| Publication page | 5522147991c22af8db1db4650458c839274454088d2d43016f0952c2ed15eb1a |
| Manifest | f20629be0595717e1d473428a240f0dd2d400283ebb9c8cd0a670d31e4d548b0 |
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 | oO/OXWxpdad07mnvciVOVqKswMMDhwsF6atEsIEuLtfd+PLqMnTt08dyvLUL02bZDzGsTCaeI1hTkP4QhMx2Cw== |
| 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
| 2026-09-17T11:15:31.973124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042026observed 5522147991c22af8db1db4650458c839...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:31.953454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042026/manifest.jsonobserved f20629be0595717e1d473428a240f0dd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:31.931504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042026/publication.mdobserved 4310382ec2766584852fc9af35361000...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:31.912342Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042026/publication.txtobserved f53e4dea340e46fc46f51adb7a49c915...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. |
|---|