OT-2026-000021731
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000021731) never changes.
Identity and time
| Publication number | OT-2026-000021731 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7bce-b22e-597ed89bad24 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021731 |
| Status | PUBLIC |
Content hashes
| Canonical text | c446b7d83cd8b21136ee5ddc2ee8a569151d00ae3cabe548aac4c84312840b9c |
|---|---|
| Markdown | ee9e21335f75df757c6eb97db0bbe551d541ca7cb2a2a329e17f1d8538667889 |
| Publication page | c4f28939b3880dd4de0c122ab17a92eec261b4ace6fb9ac99008a78f512eb795 |
| Manifest | 064561f409b2279face36637e277265c1595b26729063d2c130437f761392248 |
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 | np+Uvt7AP2AMzQ0LNE9JxZ5hm0sSYO9QHXbOELLihw99ktQIKl0nhFfpFcTloRTnBhcrZrPsQOvH8PCtDP8cAA== |
| 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
| 2026-09-17T11:54:06.161425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021731observed c4f28939b3880dd4de0c122ab17a92ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:06.142963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021731/manifest.jsonobserved 064561f409b2279face36637e277265c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:06.123321Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021731/publication.mdobserved ee9e21335f75df757c6eb97db0bbe551...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:06.107762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021731/publication.txtobserved c446b7d83cd8b21136ee5ddc2ee8a569...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. |
|---|