Pith Number

pith:2UMVMY5A

pith:2009:2UMVMY5AJILDISIT4F7QUAAGEU

not attested not anchored not stored refs pending

A comprehensive population synthesis study of post-common envelope binaries

(2) Northwestern University), B. Willems (2) ((1) Open University, P. J. Davis (1), U. Kolb (1)

arxiv:0903.4152 v2 · 2009-03-24 · 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{2UMVMY5AJILDISIT4F7QUAAGEU}

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	2026-05-18T02:14:26.176088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5195663a04a16344913e17f0a00062510fdc1ba091b49a85cd3f7663ac629a1

Aliases

arxiv: 0903.4152 · arxiv_version: 0903.4152v2 · doi: 10.48550/arxiv.0903.4152 · pith_short_12: 2UMVMY5AJILD · pith_short_16: 2UMVMY5AJILDISIT · pith_short_8: 2UMVMY5A

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/2UMVMY5AJILDISIT4F7QUAAGEU \
  | 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: d5195663a04a16344913e17f0a00062510fdc1ba091b49a85cd3f7663ac629a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "100372844db83d8e20e852d16a46d0fd4d03fea22ef92179d49ee2a154d4405b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-03-24T19:22:39Z",
    "title_canon_sha256": "da4355dbccc14381b6c4dcd9971407024905df8e518c669595e9f3752d6d6df0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4152",
    "kind": "arxiv",
    "version": 2
  }
}