OT-2026-000021510
Publication integrity record
Foam pad vacuum gripper, common isolation valve, single stage ejector, sustained 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-2026-000021510) never changes.
Identity and time
| Publication number | OT-2026-000021510 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7414-b836-d1df6605144c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021510 |
| Status | PUBLIC |
Content hashes
| Canonical text | 514c2d5f83420308b3ddfe4e492c585fc80fe97a7d237491e7dc0c49a5768c2d |
|---|---|
| Markdown | da2ec9d3e001e045ae7882175ab156de020836d9d88a25de2eddd8b7a739dac7 |
| Publication page | 01f3eb7e79c5089ec36fd2c30b5166a3af345306d147488ef862d22ebd926c27 |
| Manifest | 1ee498017f49e91245487249b4e5c266d10ada0b57ae6e77be163b6fff287ecf |
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 | iWJAeF9z4lVi4O1EHCKG6JMc8QCZGW9SKCgHKSMEdSWUWgT71rFHf6W9i82gg077/JZYX+HFZW97JwMhF0SfDw== |
| 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
| 2026-09-17T11:55:25.694903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021510observed 01f3eb7e79c5089ec36fd2c30b5166a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:25.678187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021510/manifest.jsonobserved 1ee498017f49e91245487249b4e5c266...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:25.659366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021510/publication.mdobserved da2ec9d3e001e045ae7882175ab156de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:25.642087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021510/publication.txtobserved 514c2d5f83420308b3ddfe4e492c585f...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. |
|---|