OT-2026-000052457
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000052457) never changes.
Identity and time
| Publication number | OT-2026-000052457 · never reused |
|---|---|
| Internal UUID | 01a0ae84-573a-74b4-a2be-f4e9cfa6e2a9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052457 |
| Status | PUBLIC |
Content hashes
| Canonical text | ab9ed41bf99cb1fbf329ea3befa60019b0af225855e3f1bbbdd6f3afb4a22863 |
|---|---|
| Markdown | aac3efc49f1d28e53db98d2908cbca1513f3e9cc370db78a95690a8547836a0b |
| Publication page | 0076dbac18bcd4a1b7f89c3e540cbb02718b99402826a247db27cf2fa581e68f |
| Manifest | 9707fac336ba920f0a82a7069676bcfbf561b2e09dcb629a0a61a9e7980adbfc |
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 | m08CdF+5fCalI0xDZAYl+8mK8ZCravXcCktcHNQI4oj7GUykpMFlQl6avJbYsV12VyVMDcwqI94IUaF9rYGOBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:04.957597Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052457observed 0076dbac18bcd4a1b7f89c3e540cbb02...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:04.941038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052457/manifest.jsonobserved 9707fac336ba920f0a82a7069676bcfb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:04.921297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052457/publication.mdobserved aac3efc49f1d28e53db98d2908cbca15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:04.902565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052457/publication.txtobserved ab9ed41bf99cb1fbf329ea3befa60019...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. |
|---|