Pith Number

pith:2G2RVP5G

pith:2013:2G2RVP5GMLDFSQUANM6FYQRMOT

not attested not anchored not stored refs pending

The Stability of Galaxy Disks

David R. Andersen (NRC-HIA), Kyle B. Westfall (Kapteyn), Marc A. W. Verheijen (Kapteyn), Matthew A. Bershady (UW-Madison), Robert A. Swaters (NOAO), Thomas P. K. Martinsson (Leiden)

arxiv:1310.4980 v1 · 2013-10-18 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2G2RVP5GMLDFSQUANM6FYQRMOT}

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	2026-05-18T03:10:01.709060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1b51abfa662c65942806b3c5c422c74e4a83915c1e3a5827a68fcd5ef7008f9

Aliases

arxiv: 1310.4980 · arxiv_version: 1310.4980v1 · doi: 10.48550/arxiv.1310.4980 · pith_short_12: 2G2RVP5GMLDF · pith_short_16: 2G2RVP5GMLDFSQUA · pith_short_8: 2G2RVP5G

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/2G2RVP5GMLDFSQUANM6FYQRMOT \
  | 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: d1b51abfa662c65942806b3c5c422c74e4a83915c1e3a5827a68fcd5ef7008f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "073e1efb2fa6002224475b23c90e05e7393b52891edacd9d6b882b92b70f1036",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-18T12:04:36Z",
    "title_canon_sha256": "de0e2537e95fa4797e1b684a64ef7b15090e52670265ae6c2dc35d77eaf54c53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4980",
    "kind": "arxiv",
    "version": 1
  }
}