OT-2026-000028680
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, sustained blow-off before set-down
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-2026-000028680) never changes.
Identity and time
| Publication number | OT-2026-000028680 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-78a8-9595-e1b3663ad577 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028680 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5cd239264d24482290163fc5fa3f3f48cb04d8b36e3f096b6a231fe96caf2b9f |
|---|---|
| Markdown | 02fa5b51e344010ecc2d0201879dddbd3d4a6e83fb8e8259b725887ab81b617e |
| Publication page | 4f198e36cf5c8b779ec08d46f9bdd32cf91e939ab3385076f0b3d75c10a0828f |
| Manifest | 6e5a40a7d45369730dd0535e6b927c2ebc610bc6ed3727b7d6dfae2e30ae81a9 |
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 | x5avou884+pcrzkml26XpNxQENgOfgN3n8sTAB/irDlilielbevi1WmDOKAfN1/8dpgCS/8bPJNo/JZmawDhBg== |
| 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
| 2026-09-17T11:41:34.237833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028680observed 4f198e36cf5c8b779ec08d46f9bdd32c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:34.219948Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028680/manifest.jsonobserved 6e5a40a7d45369730dd0535e6b927c2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:34.200396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028680/publication.mdobserved 02fa5b51e344010ecc2d0201879dddbd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:34.180875Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028680/publication.txtobserved 5cd239264d24482290163fc5fa3f3f48...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. |
|---|