OT-2026-000028551
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000028551) never changes.
Identity and time
| Publication number | OT-2026-000028551 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7fc5-9c19-d1aa87067d61 · 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-2026-000028551 |
| Status | PUBLIC |
Content hashes
| Canonical text | 14c639a3b7166fbbe8f338f57091748a4aa3927eb87ee7de1efb744bf859cd2e |
|---|---|
| Markdown | 7cf68de18f780c8e23e2321b226861a3ae2a7dc65661beb68321cd030987ee6a |
| Publication page | 83e64551b38f3ab90454aa4ea77c053db84fae3e59058035216d520b96e91de5 |
| Manifest | 538066077c95774c534acd5ecc5848906fd1011350431ce184a6116f30e3b433 |
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 | VzpfKlPGL3E0Ho+Ts8XN17TBz5ou+zCTGqAHxLbeUrFReHoccmgQ4G6vyIu8EFe3ZNpa+XwC3QEGVzfiEnpODg== |
| 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
| 2026-09-17T11:40:50.039594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028551observed 83e64551b38f3ab90454aa4ea77c053d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:50.019301Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028551/manifest.jsonobserved 538066077c95774c534acd5ecc584890...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:49.999875Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028551/publication.mdobserved 7cf68de18f780c8e23e2321b226861a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:49.968385Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028551/publication.txtobserved 14c639a3b7166fbbe8f338f57091748a...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. |
|---|