OT-2026-000090424
Publication integrity record
Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, sustained 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-2026-000090424) never changes.
Identity and time
| Publication number | OT-2026-000090424 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2d-7447-8e8a-045c1562f553 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090424 |
| Status | PUBLIC |
Content hashes
| Canonical text | 860aa435c24671a45a317184ea703c62ee898db6a53a8885de64a98beab7e36e |
|---|---|
| Markdown | da29d1b1ad53f1a2b90959242e79552442216cdf1a073e46d92f5a4d36af072e |
| Publication page | 278855d44cf2ea503e0f1d0207cdb5a32ef3249b7db4ebe43f27be16d2e64d7d |
| Manifest | a340627e4396952fadf6bbe3dfba6421c6d4f6039aeb9c11f62a43d83c2eff8a |
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 | KQ92jTuPrxurSw4QcpCCYsbvAXgKL0gSgw+NnQq1oonXGt1nofEM+D2d1g+PAYc6Br9Pi97i9i0dfr0cQJ/RAw== |
| 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
| 2026-09-17T09:44:32.460525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090424observed 278855d44cf2ea503e0f1d0207cdb5a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:32.442351Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090424/manifest.jsonobserved a340627e4396952fadf6bbe3dfba6421...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:32.388510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090424/publication.mdobserved da29d1b1ad53f1a2b90959242e795524...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:32.341138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090424/publication.txtobserved 860aa435c24671a45a317184ea703c62...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. |
|---|