Pith Number

pith:7YKJCHDK

pith:2013:7YKJCHDKERSNBU42Y42JQI326A

not attested not anchored not stored refs pending

The white dwarf cooling sequence of the Galactic bulge

A. Calamida, H. Bond, H. Ferguson, J. Anderson, J. Sokol, J. Valenti (STScI), K. Sahu, M. Livio (STScI), M. Salaris (Univ. Liverpool), S. Casertano, S. Cassisi (INAF), T. Brown (STScI)

arxiv:1308.1936 v1 · 2013-08-08 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7YKJCHDKERSNBU42Y42JQI326A}

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	2026-05-18T03:16:27.367122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe14911c6a2464d0d39ac73498237af01c57d9093117ad64782fb638cf36dec4

Aliases

arxiv: 1308.1936 · arxiv_version: 1308.1936v1 · doi: 10.48550/arxiv.1308.1936 · pith_short_12: 7YKJCHDKERSN · pith_short_16: 7YKJCHDKERSNBU42 · pith_short_8: 7YKJCHDK

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/7YKJCHDKERSNBU42Y42JQI326A \
  | 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: fe14911c6a2464d0d39ac73498237af01c57d9093117ad64782fb638cf36dec4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cce8a88972846e32e913add07618f0e143966afe413809d21458016cb804e88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-08T19:12:11Z",
    "title_canon_sha256": "8093f451d65cf99fb2c8b9ee2784dcb324cbb0819407767bd1d7bec1915043da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1936",
    "kind": "arxiv",
    "version": 1
  }
}