OT-2026-000019243
Publication integrity record
Two cup vacuum gripper, two zone face, 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-2026-000019243) never changes.
Identity and time
| Publication number | OT-2026-000019243 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f391-7b72-9b49-2d746306b872 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019243 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4dfcc0ca3799c5782f112654ada61973416f23a7317063cebd4507d58b78ef40 |
|---|---|
| Markdown | 4d3a8e0475e674adb896ddc0251f796fe66c9e66fbca092c905a0a69caedcdb7 |
| Publication page | 806b40932cd7c80718fd3e8c04e0785108cd9d973eb8342bc57aae8452fb236b |
| Manifest | fcf4c43f618223be0ef08b120295d3b888e1d45b3c1bd8e8e4ac3b88f285da74 |
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 | AMuT2BNTlyKEGB+bFZThYdZI5oms5Me5lRjBdLUS42BYMFuNnfLH9Xxj8ZEtw6cXGVvL+XFOAuyRyxiBviX+Cg== |
| 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
| 2026-09-17T11:58:34.662469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019243observed 806b40932cd7c80718fd3e8c04e07851...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:34.645355Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019243/manifest.jsonobserved fcf4c43f618223be0ef08b120295d3b8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:34.628512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019243/publication.mdobserved 4d3a8e0475e674adb896ddc0251f796f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:34.610803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019243/publication.txtobserved 4dfcc0ca3799c5782f112654ada61973...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. |
|---|