Pith Number

pith:YHSBM2G3

pith:2009:YHSBM2G3WBT7XJUHIESN2PNKHC

not attested not anchored not stored refs pending

PopStar I: Evolutionary synthesis models description

A. Bressan, M.L. Garcia-Vargas, M. Molla

arxiv:0905.3664 v1 · 2009-05-22 · 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{YHSBM2G3WBT7XJUHIESN2PNKHC}

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	2026-05-18T02:13:38.005164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1e41668dbb067fba6874124dd3daa38a84548230887edf63163d74209393165

Aliases

arxiv: 0905.3664 · arxiv_version: 0905.3664v1 · doi: 10.48550/arxiv.0905.3664 · pith_short_12: YHSBM2G3WBT7 · pith_short_16: YHSBM2G3WBT7XJUH · pith_short_8: YHSBM2G3

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/YHSBM2G3WBT7XJUHIESN2PNKHC \
  | 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: c1e41668dbb067fba6874124dd3daa38a84548230887edf63163d74209393165

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4efccfa0a8966678d7509e93c231dbad7c8c55f94e59efea50601c903b17e794",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-22T12:18:29Z",
    "title_canon_sha256": "a78056034ac521d9eb92addb2268c75ca10a9021e0ade9ba04a7fb6a0040d74c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3664",
    "kind": "arxiv",
    "version": 1
  }
}