OT-2026-000020872
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000020872) never changes.
Identity and time
| Publication number | OT-2026-000020872 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-760a-906e-ff7d8a88bed0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020872 |
| Status | PUBLIC |
Content hashes
| Canonical text | cb36c132aeaa88495c37d245b433cddec6eabd36885c61837c628773b2c9d21d |
|---|---|
| Markdown | 63d1297f811a904838c79d733de623537946537e15c5bf321444a9b26a292e08 |
| Publication page | f2c4abcbecfd8ee9b6e0582c7da7bc024edfc83b2a59e44f7721ea9a2f8d648e |
| Manifest | d0c4153f07b2c83e59418fe612cdf7b0c477bbe59b70824b19ad2eeda1caded4 |
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 | 4Yb799zdESPlDTM+zbGOu8bKP7VuQ/7JiipScZVKrJuHnAi/nZOCCeS9daUbwOEtPlNGtdjRbfD9Z6nGhsvCBQ== |
| 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
| 2026-09-17T11:55:58.716224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020872observed f2c4abcbecfd8ee9b6e0582c7da7bc02...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:58.692970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020872/manifest.jsonobserved d0c4153f07b2c83e59418fe612cdf7b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:58.672589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020872/publication.mdobserved 63d1297f811a904838c79d733de62353...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:58.570555Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020872/publication.txtobserved cb36c132aeaa88495c37d245b433cdde...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. |
|---|