Pith Number

pith:3PDJUOFD

pith:2017:3PDJUOFDJICCNQRGMI6MLL7J2I

not attested not anchored not stored refs pending

Data-driven Approach to Measuring the Level of Press Freedom Using Media Attention Diversity from Unfiltered News

Haewoon Kwak, Jisun An

arxiv:1704.01422 v1 · 2017-04-05 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PDJUOFDJICCNQRGMI6MLL7J2I}

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	2026-05-18T00:46:58.206677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbc69a38a34a0426c226623cc5afe9d20a1901a8957905ed03ed41fa461ca628

Aliases

arxiv: 1704.01422 · arxiv_version: 1704.01422v1 · doi: 10.48550/arxiv.1704.01422 · pith_short_12: 3PDJUOFDJICC · pith_short_16: 3PDJUOFDJICCNQRG · pith_short_8: 3PDJUOFD

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/3PDJUOFDJICCNQRGMI6MLL7J2I \
  | 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: dbc69a38a34a0426c226623cc5afe9d20a1901a8957905ed03ed41fa461ca628

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c742f6dfb8233082b8c31ad796dabf9a39968396dc2bb28c8b9f37a88ffe0c1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2017-04-05T13:41:22Z",
    "title_canon_sha256": "874ce6aeb5ca82863dd60b5b6462a35143b8ba4be422551b933c51b59d90fd4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01422",
    "kind": "arxiv",
    "version": 1
  }
}