OT-2026-000021839
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off before set-down
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-2026-000021839) never changes.
Identity and time
| Publication number | OT-2026-000021839 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-76a4-98bf-b73d137fa1dc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021839 |
| Status | PUBLIC |
Content hashes
| Canonical text | c2780eaa477359c004b9c02bb7ed0b445a174370542db46aa6cfdc9dc9465763 |
|---|---|
| Markdown | cdee357abf74e46e8ad918ca78571c7f8350e628701996a5475b53c6ce5c2147 |
| Publication page | 9c52d9dfd7c12fc63f0bbe43e9d054203f36622c238041a1992a0ba2f1ee1d4e |
| Manifest | 840899d5d77fc1682128023c561efd3806ab7d61df11a370a6d7934c15a63041 |
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 | GKIFFHqC4J3Pmfj0gMI5RSBgqlNfGB/HagdHhOIwjRT6Hpr3A/0KGdXpy9cXDQ+Uh7c9IMNAT0/w0Kp6MdiFBw== |
| 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
| 2026-09-17T11:54:23.855970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021839observed 9c52d9dfd7c12fc63f0bbe43e9d05420...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:23.838941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021839/manifest.jsonobserved 840899d5d77fc1682128023c561efd38...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:23.821303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021839/publication.mdobserved cdee357abf74e46e8ad918ca78571c7f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:23.803853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021839/publication.txtobserved c2780eaa477359c004b9c02bb7ed0b44...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. |
|---|