OT-2026-000027456
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000027456) never changes.
Identity and time
| Publication number | OT-2026-000027456 · never reused |
|---|---|
| Internal UUID | 01a0ae72-6998-70c4-a76b-bfd572090b39 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:48.928538Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027456 |
| Status | PUBLIC |
Content hashes
| Canonical text | 48adb4e608a60fe20e443506b0f5a1a0fec8b9a7118321788814e51fb3ddeedb |
|---|---|
| Markdown | 2780f4357bdff3878817f76d88b925b210475b48ab62461d3d56da70beb1410e |
| Publication page | e3b273395092a4807ed3c390cc21f72b76ec91e4632aaf060c3f46c27ee6d30f |
| Manifest | 7bb388b9d8f52c817536d988236eab11e3bf893948f8daf020ba29b5e7532774 |
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 | ngrlWfv0z65ahlUYW1+u3LCOHB+k50pkbHtnZ5M5DCgiNsJ+ELB+Hj0eIW2qj+Fz7gpej48WmUVgkrQ89YJsDQ== |
| 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
| 2026-09-17T11:42:54.809321Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027456observed e3b273395092a4807ed3c390cc21f72b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:54.787175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027456/manifest.jsonobserved 7bb388b9d8f52c817536d988236eab11...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:54.767953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027456/publication.mdobserved 2780f4357bdff3878817f76d88b925b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:54.750155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027456/publication.txtobserved 48adb4e608a60fe20e443506b0f5a1a0...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. |
|---|