OT-2026-000042933
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, 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-2026-000042933) never changes.
Identity and time
| Publication number | OT-2026-000042933 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-76fa-9f93-bc86a5d36c8c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042933 |
| Status | PUBLIC |
Content hashes
| Canonical text | eeb714ced21386f66be08bbafe2b4b18c38db99cccfd06d831d62591dccf322b |
|---|---|
| Markdown | d3997c943e2f1f410bd1cddb910d78ba5e33b79a862f01cc928ff443e90bf55a |
| Publication page | 4c00ebfe82e8169b3172edb6fb15998c0945cb3daf55c7a668b258f9c5ea942b |
| Manifest | c5e2fcedbcf8e2522852506fa2084a0c1fc17364326042946dd667e217805275 |
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 | f6dbdwkqSwDyDnJbKmU0BIDxRQjPtHl/TrKj3ZoUPmVWinMQ46W6LYK1ezGyQ6UBLT3rIuyShY04yTuFpVH/Dw== |
| 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
| 2026-09-17T11:15:27.853165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042933observed 4c00ebfe82e8169b3172edb6fb15998c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:27.835058Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042933/manifest.jsonobserved c5e2fcedbcf8e2522852506fa2084a0c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:27.815490Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042933/publication.mdobserved d3997c943e2f1f410bd1cddb910d78ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:27.793846Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042933/publication.txtobserved eeb714ced21386f66be08bbafe2b4b18...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. |
|---|