Pith Number

pith:N5WUBSG2

pith:2016:N5WUBSG2YYC7USPMUEZTTWBVZU

not attested not anchored not stored refs pending

The Demographics of galactic bulges in the SDSS database

Alfonso Aragon-Salamanca (3), Daejeon (3) The University of Nottingham, Hyunjin Jeong (2), Keunho Kim (1), Nottingham), Rory Smith (1), Seoul (2) KASI, Sree Oh (1), Sukyoung K. Yi (1) ((1) Yonsei Unversity

arxiv:1604.06814 v1 · 2016-04-22 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N5WUBSG2YYC7USPMUEZTTWBVZU}

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	2026-05-18T01:10:49.628746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f6d40c8dac605fa49eca13339d835cd269f589e47052fc3d9b384c44c224889

Aliases

arxiv: 1604.06814 · arxiv_version: 1604.06814v1 · doi: 10.48550/arxiv.1604.06814 · pith_short_12: N5WUBSG2YYC7 · pith_short_16: N5WUBSG2YYC7USPM · pith_short_8: N5WUBSG2

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/N5WUBSG2YYC7USPMUEZTTWBVZU \
  | 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: 6f6d40c8dac605fa49eca13339d835cd269f589e47052fc3d9b384c44c224889

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2338c85bcba180f13cfc41037abc5a00b98d24a62bb4f3d6781025d6c36d3cd4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-04-22T20:10:17Z",
    "title_canon_sha256": "bcf7405b9f1ea704a7d183bdfa7e3e62c2569401e5712643c7279cab64e80943"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06814",
    "kind": "arxiv",
    "version": 1
  }
}