OT-2026-000015215
Publication integrity record
Foam pad vacuum gripper, four 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-2026-000015215) never changes.
Identity and time
| Publication number | OT-2026-000015215 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef48-7bfe-b8a5-91f28d595f17 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015215 |
| Status | PUBLIC |
Content hashes
| Canonical text | bfbc427738729bc2c8bff09c0c263077a24625043600cdb991a779211968a1ad |
|---|---|
| Markdown | 8156239a2f5b6afeb0f266c6ac348eaa3cabf9270f54288c2b27433493699f33 |
| Publication page | 07f9fcd4139ef0deef17e16553d0b34bcc96db325e1582392ceafe1bd9bf945c |
| Manifest | 601349d8f8e88b16b229803b6be077d346f4237637540738683918458b081501 |
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 | LrYMb1tOZmLZ2W5xT0V2KelvMkN3ISh4WxpOCaF9+oX8WZOztqYa26ybgm62AXqtwcn5f3zX7v+pAHYn9xVDCQ== |
| 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
| 2026-09-17T12:05:51.068747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015215observed 07f9fcd4139ef0deef17e16553d0b34b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:51.050648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015215/manifest.jsonobserved 601349d8f8e88b16b229803b6be077d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:51.031507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015215/publication.mdobserved 8156239a2f5b6afeb0f266c6ac348eaa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:51.012490Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015215/publication.txtobserved bfbc427738729bc2c8bff09c0c263077...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. |
|---|