OT-2026-000013823
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000013823) never changes.
Identity and time
| Publication number | OT-2026-000013823 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de9-7ded-9b3f-04bd6f2e6e2f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013823 |
| Status | PUBLIC |
Content hashes
| Canonical text | 91ac3df0436d084684c9df4e456761356c321dba8091ebbf240ec39f8f8a1dcb |
|---|---|
| Markdown | 330ba6a2388d0056576e95341447f09b8acf0bda2cbed16804118c82a574455f |
| Publication page | cc14a7645b849fdfa3f916e0bb5353b0aa0b31f42c44e0fda8e5c61ac0f0f68e |
| Manifest | 15e827eaf10f1ceb8f80a00eac8d551aeac9d2a02061fa7910492cbdb746d8dd |
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 | uLywRdTdWE6gtnNpa9RALOToLwAnrN9SiWfCISsw7bec7ygX4YoQDsLYIalF3LYYCb76qQGTXLJI4fHDGKvHAQ== |
| 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
| 2026-09-17T12:08:55.337692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013823observed cc14a7645b849fdfa3f916e0bb5353b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:08:55.319809Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013823/manifest.jsonobserved 15e827eaf10f1ceb8f80a00eac8d551a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:55.300692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013823/publication.mdobserved 330ba6a2388d0056576e95341447f09b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:55.282358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013823/publication.txtobserved 91ac3df0436d084684c9df4e45676135...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. |
|---|