Pith Number

pith:XPETNGIB

pith:1999:XPETNGIB4AR7MYH5MY5BNPDIXC

not attested not anchored not stored refs pending

Evolutionary population synthesis: the effect of binary systems

J.M. Mas-Hesse, M. Cervino

arxiv:astro-ph/9901350 v1 · 1999-01-25 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XPETNGIB4AR7MYH5MY5BNPDIXC}

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	2026-05-18T01:07:36.641618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbc9369901e023f660fd663a16bc68b8a3eddc8e9df36bd8b75a3e2a09938cf7

Aliases

arxiv: astro-ph/9901350 · arxiv_version: astro-ph/9901350v1 · doi: 10.48550/arxiv.astro-ph/9901350 · pith_short_12: XPETNGIB4AR7 · pith_short_16: XPETNGIB4AR7MYH5 · pith_short_8: XPETNGIB

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/XPETNGIB4AR7MYH5MY5BNPDIXC \
  | 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: bbc9369901e023f660fd663a16bc68b8a3eddc8e9df36bd8b75a3e2a09938cf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdae06e50f5d9ba22210787910ebe86fc98a1193c664e81593c8798dac71895c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-01-25T16:04:27Z",
    "title_canon_sha256": "ec211a003a66914a2e4aae0d9faaef047b1e3a159c8ae829fcacf2b5c2855ca7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9901350",
    "kind": "arxiv",
    "version": 1
  }
}