Pith Number

pith:HP6PZ37Y

pith:2019:HP6PZ37YHM6F36S4DP2NIY5Y2S

not attested not anchored not stored refs pending

Parameter Estimation for Scarce Stellar Populations

B. Cervantes Sodi, G. Bruzual, T. Bitsakis, V. H. Ram\'irez-Siordia

arxiv:1904.09054 v1 · 2019-04-19 · astro-ph.GA · 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{HP6PZ37YHM6F36S4DP2NIY5Y2S}

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	2026-05-17T23:46:52.407173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bfcfceff83b3c5dfa5c1bf4d463b8d486ed6053dfd712ba52a969c3bdedcd37

Aliases

arxiv: 1904.09054 · arxiv_version: 1904.09054v1 · doi: 10.48550/arxiv.1904.09054 · pith_short_12: HP6PZ37YHM6F · pith_short_16: HP6PZ37YHM6F36S4 · pith_short_8: HP6PZ37Y

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/HP6PZ37YHM6F36S4DP2NIY5Y2S \
  | 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: 3bfcfceff83b3c5dfa5c1bf4d463b8d486ed6053dfd712ba52a969c3bdedcd37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea7ae86bef8ac606b6a721589c315ce4262854dc3bd41d40093e348b1decc951",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-19T02:49:47Z",
    "title_canon_sha256": "5ca43d31eea586e63689ee6a36b0f3237ad0d3b6b982355040066f3719d2d8e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09054",
    "kind": "arxiv",
    "version": 1
  }
}