OT-2026-000052305
Publication integrity record
Single cup vacuum gripper, single stage ejector, vented 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-2026-000052305) never changes.
Identity and time
| Publication number | OT-2026-000052305 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e791-7f6f-bfdd-7ccebce7fa40 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052305 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8f713875bcc5306b21df88a3f014091b5aab99f6125a522ccdeb3f8b80ff269d |
|---|---|
| Markdown | 9c9ebab3709edc171986d3b86c1d7fbcf3cd84428d258680614449e5043b9357 |
| Publication page | c53aecb571a8b9738ef70df314edb9f929a2a7c799ecc8052269a8e0ab6f5c79 |
| Manifest | db41a2a33e9950f74a2a2098c01be82e93784d923fc2dd204a86a9f7a6cf5105 |
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 | 3wOgeJCZa6fG9t0/k04quN2Wh6nZwDkkm/aIb2vgis+K+EVJaXFleZyBh/U4+t+0s+0MslBrvcKkqPx3BQykDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:59.293238Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052305observed c53aecb571a8b9738ef70df314edb9f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:59.277231Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052305/manifest.jsonobserved db41a2a33e9950f74a2a2098c01be82e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:59.259147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052305/publication.mdobserved 9c9ebab3709edc171986d3b86c1d7fbc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:59.240134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052305/publication.txtobserved 8f713875bcc5306b21df88a3f014091b...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. |
|---|