OT-2026-000042202
Publication integrity record
Foam pad vacuum gripper, common isolation valve, pump fed, sustained blow-off after 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-2026-000042202) never changes.
Identity and time
| Publication number | OT-2026-000042202 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d72-72a1-af00-258ad021ac53 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042202 |
| Status | PUBLIC |
Content hashes
| Canonical text | d75b0ffcdf94bff4bdafb468e29952bf0199d78c9e344c57a3851b6f70d3e281 |
|---|---|
| Markdown | 9bb4b23632c020abcf91e40f98819ce0cfca4611a50db1f06e5297bfd85752cd |
| Publication page | 61b9e0f16879616d374f4fbd002e22f42a995204bfef17d91fa68343b3971813 |
| Manifest | 911e380eaa7ea517719cdf23a3330d7094217b45d608a5491e35b1b7f3b55aae |
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 | 5WypfdsnFwLFhAU76mT7kq2CsffFEfDeQ1IPOfyEJDwH5BQmzSQqzrPVbE1LsUz2efHMf+1Dz/Sfefw8OcY0AA== |
| 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
| 2026-09-17T11:15:52.162500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042202observed 61b9e0f16879616d374f4fbd002e22f4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:52.143623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042202/manifest.jsonobserved 911e380eaa7ea517719cdf23a3330d70...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:52.124252Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042202/publication.mdobserved 9bb4b23632c020abcf91e40f98819ce0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:52.104001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042202/publication.txtobserved d75b0ffcdf94bff4bdafb468e29952bf...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. |
|---|