OT-2026-000004180
Publication integrity record
Vacuum cup gripper, four zone face, pump fed, pressure verified, contact triggered on the face
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-2026-000004180) never changes.
Identity and time
| Publication number | OT-2026-000004180 · never reused |
|---|---|
| Internal UUID | 01a0a910-fd7b-70ca-8644-db4ed896f298 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:18.110522Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004180 |
| Status | PUBLIC |
Content hashes
| Canonical text | c26e0dde0b3a8b2b33002759bfed1d29c595ae6761f7b3bd1f75c2c151ad4de0 |
|---|---|
| Markdown | 14ea7e9f5fbcc659a478dce51eb612863f66d76755379715869d1b43bc09a94d |
| Publication page | e1e712e672adb8c2d023f5d23b20feee58dc9293e75925ddaa8e56dde20ab5f2 |
| Manifest | 230334118a9a0172a1cb2e75325818a31f6cfceac64bbf3173b97ed50ab86cf5 |
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 | SPxG/NReqsX17avIUCPGXCNRmVW1/x25J25GLjhy/8QFlS8juSgamngP24KgDB7gCxokDVq+gG71i6Uc3oJgBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:27.165533Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004180observed e1e712e672adb8c2d023f5d23b20feee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:27.149844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004180/manifest.jsonobserved 230334118a9a0172a1cb2e75325818a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:27.136091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004180/publication.mdobserved 14ea7e9f5fbcc659a478dce51eb61286...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:27.121053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004180/publication.txtobserved c26e0dde0b3a8b2b33002759bfed1d29...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. |
|---|