OT-2026-000021000
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump 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-2026-000021000) never changes.
Identity and time
| Publication number | OT-2026-000021000 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-797c-bbc3-ad2d796490cf · 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-2026-000021000 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1c114612c1c22933fe002e9a5197dbb49d1f760e02c35afd8cf9fc47f6ae0c8e |
|---|---|
| Markdown | 5857e1723067a2dd353a487500526e2f746a581ee8310e4d32a4aa1923c0444d |
| Publication page | fff20a965c38466d95bf162b20dbadf6adddc3d4065fc8028898df87dfcf6706 |
| Manifest | 52614d206349fbb0c8d85727aa398ecd2daec47bc5c91f5814a5db78fadc2080 |
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 | P1hQA8agCxe/si7oYvyrmQoydRKR1GIp6tzcdR7cYP7s+sHckMmZjjgEjBcqi/wHerYzGXLjB+P76G4VFm+KCA== |
| 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
| 2026-09-17T11:56:09.332791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021000observed fff20a965c38466d95bf162b20dbadf6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:09.314796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021000/manifest.jsonobserved 52614d206349fbb0c8d85727aa398ecd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:09.293133Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021000/publication.mdobserved 5857e1723067a2dd353a487500526e2f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:09.273392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021000/publication.txtobserved 1c114612c1c22933fe002e9a5197dbb4...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. |
|---|