Pith Number

pith:PZZIXJJN

pith:2015:PZZIXJJNLSKGHPNAZX6TSN3J2A

not attested not anchored not stored refs pending

When a Movement Becomes a Party: The 2015 Barcelona City Council Election

Andreas Kaltenbrunner, David Laniado, Pablo Arag\'on, Yana Volkovich

arxiv:1507.08599 v1 · 2015-07-30 · 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{PZZIXJJNLSKGHPNAZX6TSN3J2A}

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	2026-05-18T01:36:04.314042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e728ba52d5c9463bda0cdfd393769d009509dd62fe924fc9b8bc25f92486ac9

Aliases

arxiv: 1507.08599 · arxiv_version: 1507.08599v1 · doi: 10.48550/arxiv.1507.08599 · pith_short_12: PZZIXJJNLSKG · pith_short_16: PZZIXJJNLSKGHPNA · pith_short_8: PZZIXJJN

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/PZZIXJJNLSKGHPNAZX6TSN3J2A \
  | 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: 7e728ba52d5c9463bda0cdfd393769d009509dd62fe924fc9b8bc25f92486ac9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e01fd6f4a7d88656ff1e817089a92c677ae8b2d27d7fbbaee9738fcddeb2289",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-07-30T17:54:29Z",
    "title_canon_sha256": "1b6922a8d78b869d81d214e617013c164f8e3a35b2d66beb0baa77abbef2a370"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08599",
    "kind": "arxiv",
    "version": 1
  }
}