Pith Number

pith:4RHIRQSJ

pith:2019:4RHIRQSJPBDWCM5LP546IGBBQU

not attested not anchored not stored refs pending

PocketCare: Tracking the Flu with Mobile Phones using Partial Observations of Proximity and Symptoms

Bruno Lepri, Chunming Qiao, Tong Guan, Wen Dong

arxiv:1905.02607 v1 · 2019-05-07 · cs.SI · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4RHIRQSJPBDWCM5LP546IGBBQU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:46:50.923713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e44e88c24978476133ab7f79e41821851bd6f07ecd7b7f329cc6bfe7739c0928

Aliases

arxiv: 1905.02607 · arxiv_version: 1905.02607v1 · doi: 10.48550/arxiv.1905.02607 · pith_short_12: 4RHIRQSJPBDW · pith_short_16: 4RHIRQSJPBDWCM5L · pith_short_8: 4RHIRQSJ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/4RHIRQSJPBDWCM5LP546IGBBQU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e44e88c24978476133ab7f79e41821851bd6f07ecd7b7f329cc6bfe7739c0928

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2c2018c783e76ab7b7d8e0039b5252e5d522894a8e76261b0efc391d4e0eba4",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2019-05-07T14:27:05Z",
    "title_canon_sha256": "a5b69055e8ac9e773887a05789a6128a06c4979f5a53b8cd198a30dfffc5a58e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02607",
    "kind": "arxiv",
    "version": 1
  }
}