OT-2026-000072421
Publication integrity record
Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000072421) never changes.
Identity and time
| Publication number | OT-2026-000072421 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89d7-795c-9baf-346f56ddfc21 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072421 |
| Status | PUBLIC |
Content hashes
| Canonical text | 664ca65042fd238a7af2ea2bbf518d4e126e44a76312b0121e3bfba1fe1d7879 |
|---|---|
| Markdown | 55baeabfc6b01e97d48cc3e3db17c6031dffb928fdc92a67c961af332e34c609 |
| Publication page | a5bef56b8527a3bdf27fa82082938232903af39d60f5311142f331fc1136300e |
| Manifest | c847daacc65fc875b01c73cf0f4b9113185aa4a48a9fe81ac53eaa11dbe57fcd |
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 | IKyvA3g5LIdE9k7g7t8Wsq5Ee6kXloMy+m14eHW2lvQjMlO0QkZryHDVSb2XXjJgPJIs5RhmJbqHOes9QoOuAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:22:14.133824Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072421observed a5bef56b8527a3bdf27fa82082938232...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:22:14.116135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072421/manifest.jsonobserved c847daacc65fc875b01c73cf0f4b9113...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:14.098689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072421/publication.mdobserved 55baeabfc6b01e97d48cc3e3db17c603...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:14.079789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072421/publication.txtobserved 664ca65042fd238a7af2ea2bbf518d4e...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. |
|---|