Pith Number

pith:ZUSOX5X4

pith:2013:ZUSOX5X45J36D2ISQJIO3PEUUM

not attested not anchored not stored refs pending

Objective Identification of Informative Wavelength Regions in Galaxy Spectra

Alex Szalay (JHU), Ching-Wa Yip (JHU), Istvan Csabai (ELTE), Laszlo Dobos (ELTE), Michael Mahoney (Stanford), Rosemary Wyse (JHU), Tamas Budavari (JHU)

arxiv:1312.0637 v3 · 2013-12-02 · 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{ZUSOX5X45J36D2ISQJIO3PEUUM}

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	2026-05-18T01:45:59.537250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd24ebf6fcea77e1e9128250edbc94a305d9ab2250eeea481f25d5f87bb34be4

Aliases

arxiv: 1312.0637 · arxiv_version: 1312.0637v3 · doi: 10.48550/arxiv.1312.0637 · pith_short_12: ZUSOX5X45J36 · pith_short_16: ZUSOX5X45J36D2IS · pith_short_8: ZUSOX5X4

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/ZUSOX5X45J36D2ISQJIO3PEUUM \
  | 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: cd24ebf6fcea77e1e9128250edbc94a305d9ab2250eeea481f25d5f87bb34be4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58ebf61117cf4369f9033e996843e779e4aefe6dda48bca3177531b2a0c3abb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-12-02T21:40:12Z",
    "title_canon_sha256": "8859a3061680450a3c6056b4928ff322d1fb4a32f86fe2d2f77e2f940d83b0ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0637",
    "kind": "arxiv",
    "version": 3
  }
}