Pith Number

pith:H7P4ZO5N

pith:2019:H7P4ZO5N7NTF3OODKUAC2R7LAQ

not attested not anchored not stored refs pending

Semi-supervised graph labelling reveals increasing partisanship in the United States Congress

Jonathan Tuke, Lewis Mitchell, Max Glonek, Nigel Bean

arxiv:1904.01153 v2 · 2019-04-02 · cs.SI · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7P4ZO5N7NTF3OODKUAC2R7LAQ}

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	2026-05-17T23:43:14.522291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fdfccbbadfb665db9c355002d47eb04370d0b68055fab45e1050d6cd490a7bd

Aliases

arxiv: 1904.01153 · arxiv_version: 1904.01153v2 · doi: 10.48550/arxiv.1904.01153 · pith_short_12: H7P4ZO5N7NTF · pith_short_16: H7P4ZO5N7NTF3OOD · pith_short_8: H7P4ZO5N

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/H7P4ZO5N7NTF3OODKUAC2R7LAQ \
  | 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: 3fdfccbbadfb665db9c355002d47eb04370d0b68055fab45e1050d6cd490a7bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4fcaccb68cd7bdb5a5f479adda1597f315029e1c774fc341328fdde7c066901",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2019-04-02T00:24:40Z",
    "title_canon_sha256": "68b86c0083d410eae89f722e77f06257d9df7789cdbb344df70f6ba528cfd572"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01153",
    "kind": "arxiv",
    "version": 2
  }
}