Pith Number

pith:WCWHUMMC

pith:2019:WCWHUMMC42CTQ3SGS4ET5OSJ5B

not attested not anchored not stored refs pending

Galactic Archaeology with asteroseismic ages. II. Confirmation of a delayed gas infall using Bayesian analysis based on MCMC methods

E. Spitoni, F. Calura, K. Verma, V. Silva Aguirre

arxiv:1912.04312 v2 · 2019-12-09 · 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{WCWHUMMC42CTQ3SGS4ET5OSJ5B}

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	2026-07-05T00:46:54.404364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0ac7a3182e685386e4697093eba49e85dae34bf1613c1f4bd02ced289775254

Aliases

arxiv: 1912.04312 · arxiv_version: 1912.04312v2 · doi: 10.48550/arxiv.1912.04312 · pith_short_12: WCWHUMMC42CT · pith_short_16: WCWHUMMC42CTQ3SG · pith_short_8: WCWHUMMC

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/WCWHUMMC42CTQ3SGS4ET5OSJ5B \
  | 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: b0ac7a3182e685386e4697093eba49e85dae34bf1613c1f4bd02ced289775254

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51f187a45da629228b821ac9b68a70e084421ca11d3af726b724b290b91abd82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-12-09T19:00:23Z",
    "title_canon_sha256": "51cd6ca5d29eca5e01e71003e33e4b26c0af7da42efe1b39373b9dbc679515f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.04312",
    "kind": "arxiv",
    "version": 2
  }
}