OT-2026-000028715
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000028715) never changes.
Identity and time
| Publication number | OT-2026-000028715 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-7fa9-b61a-0295901b4643 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028715 |
| Status | PUBLIC |
Content hashes
| Canonical text | 637d79ed082f27d0f97363cb2d69d963cea6c2e8958c3433134ccfd0e2907129 |
|---|---|
| Markdown | a4e1dc561650d7b9f40a20f3269dc6fc1936344d51d43268afead89660d23a79 |
| Publication page | 05f8a53e74745f24ce46495bd7e4e1f9027b462de333efeef6b3535619a6286d |
| Manifest | 4e5ed8e89244643f6d7ca902c35cdeeea2c918e4db822358747210657a3e4b2f |
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 | iVzmU2cc+ANGRtSHFORffZCUmcujY7+v3Ol7L0UwqaLjruIwMUUSYhckYYJ4dihpcThYw39+xPjITXeG6LsqCg== |
| 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
| 2026-09-17T11:41:43.260944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028715observed 05f8a53e74745f24ce46495bd7e4e1f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:43.238970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028715/manifest.jsonobserved 4e5ed8e89244643f6d7ca902c35cdeee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:43.216136Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028715/publication.mdobserved a4e1dc561650d7b9f40a20f3269dc6fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:43.193483Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028715/publication.txtobserved 637d79ed082f27d0f97363cb2d69d963...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. |
|---|