Pith Number

pith:QUPF6VZF

pith:2018:QUPF6VZF52YLNKQAQI4UMHCTSB

not attested not anchored not stored refs pending

Crowdbreaks: Tracking Health Trends using Public Social Media Data and Crowdsourcing

Marcel Salath\'e, Martin Mueller

arxiv:1805.05491 v1 · 2018-05-14 · cs.CY · cs.CL · cs.SI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QUPF6VZF52YLNKQAQI4UMHCTSB}

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	2026-05-18T00:16:00.477404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

851e5f5725eeb0b6aa008239461c53904f3902d23eb4c244941f8995720fe1fb

Aliases

arxiv: 1805.05491 · arxiv_version: 1805.05491v1 · doi: 10.48550/arxiv.1805.05491 · pith_short_12: QUPF6VZF52YL · pith_short_16: QUPF6VZF52YLNKQA · pith_short_8: QUPF6VZF

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/QUPF6VZF52YLNKQAQI4UMHCTSB \
  | 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: 851e5f5725eeb0b6aa008239461c53904f3902d23eb4c244941f8995720fe1fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17d8ec74e89b9e05d42bc8e069a84bd41b78cd96d9a9efbe984befdb193ad65b",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.SI",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-05-14T22:59:56Z",
    "title_canon_sha256": "e765fa0acba801b95fb747b232ee48ccf9e92718caaa3293edb528d059df9cf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05491",
    "kind": "arxiv",
    "version": 1
  }
}