Pith Number

pith:TBQZWCHY

pith:2009:TBQZWCHYW3M2WBI7ZS5SZRS6CK

not attested not anchored not stored refs pending

Evolution of the Binary Fraction in Dense Stellar Systems

F. A. Rasio, J. M. Fregeau, N. Ivanova

arxiv:0907.4196 v2 · 2009-07-24 · 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{TBQZWCHYW3M2WBI7ZS5SZRS6CK}

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	2026-05-18T02:12:54.067969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98619b08f8b6d9ab051fccbb2cc65e128fe36a0bb608d573fec92e1ac4acb691

Aliases

arxiv: 0907.4196 · arxiv_version: 0907.4196v2 · doi: 10.48550/arxiv.0907.4196 · pith_short_12: TBQZWCHYW3M2 · pith_short_16: TBQZWCHYW3M2WBI7 · pith_short_8: TBQZWCHY

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/TBQZWCHYW3M2WBI7ZS5SZRS6CK \
  | 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: 98619b08f8b6d9ab051fccbb2cc65e128fe36a0bb608d573fec92e1ac4acb691

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4aa2b59d1f9d53f29203b6308cd72692c3dc014e74dd5df5dcb6d8edb23d166b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-07-24T01:04:37Z",
    "title_canon_sha256": "410e05c5166526d296c42d8330a908d435f2a7fd1dae677136d22792d106613a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4196",
    "kind": "arxiv",
    "version": 2
  }
}