Pith Number

pith:3AMMTBR2

pith:2002:3AMMTBR2O67I7PFS3SFTDQKVC3

not attested not anchored not stored refs pending

The Formation of Close Binary Systems by Dynamical Interactions and Orbital Decay

Ian A. Bonnell, Matthew R. Bate, Volker Bromm

arxiv:astro-ph/0212403 v1 · 2002-12-18 · 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{3AMMTBR2O67I7PFS3SFTDQKVC3}

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	2026-07-04T16:31:26.112942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d818c9863a77be8fbcb2dc8b31c15516e916f377a31d1c9298128bef55902091

Aliases

arxiv: astro-ph/0212403 · arxiv_version: astro-ph/0212403v1 · doi: 10.48550/arxiv.astro-ph/0212403 · pith_short_12: 3AMMTBR2O67I · pith_short_16: 3AMMTBR2O67I7PFS · pith_short_8: 3AMMTBR2

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/3AMMTBR2O67I7PFS3SFTDQKVC3 \
  | 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: d818c9863a77be8fbcb2dc8b31c15516e916f377a31d1c9298128bef55902091

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2529e39cb1b3823eee2e3846cda69c30a18a3e34ef7882ad4ef867d3b8a7193",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-12-18T11:41:35Z",
    "title_canon_sha256": "79d3eb80fcc750b1784585d64b1bff2c8640e1ccd9b2e376b4294232d555141c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0212403",
    "kind": "arxiv",
    "version": 1
  }
}