OT-2026-000015281
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000015281) never changes.
Identity and time
| Publication number | OT-2026-000015281 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef48-7172-9d02-9c5b6676ff3e · 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-2026-000015281 |
| Status | PUBLIC |
Content hashes
| Canonical text | 35f913a84873a3b07644f5a71280ff5fa870dbff41807649e4433b060aa07449 |
|---|---|
| Markdown | 856f8745058d24d8400f2c3b2934dd679270237d3a583aab570c3ae1fec93e9c |
| Publication page | 044353160171634df4132312d9bc19cb5216afade7be822befdf6674f22497b9 |
| Manifest | b2f6e870782a643c1aa398f5c57d727f4805d18fa24e092da1826e924a334b1f |
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 | VcMJGUFy5ZEHy3TYLDnIsTHVpD6CxuJ4bvoDytM/pfCpMnOVHZNM9LtmQ+ND0bOApLHHhlZH2qENUibf/dQHDA== |
| 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
| 2026-09-17T12:05:57.896365Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015281observed 044353160171634df4132312d9bc19cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:57.878696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015281/manifest.jsonobserved b2f6e870782a643c1aa398f5c57d727f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:57.860284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015281/publication.mdobserved 856f8745058d24d8400f2c3b2934dd67...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:57.841559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015281/publication.txtobserved 35f913a84873a3b07644f5a71280ff5f...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. |
|---|