Pith Number

pith:T53EJ7LW

pith:1994:T53EJ7LW6D4NNSZWV5SSWZLJBT

not attested not anchored not stored refs pending

The formation of close binary systems

Ian A. Bonnell, Matthew R. Bate

arxiv:astro-ph/9411081 v2 · 1994-11-18 · 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{T53EJ7LW6D4NNSZWV5SSWZLJBT}

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	2026-05-18T01:40:24.118053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f7644fd76f0f8d6cb36af652b65690cc1d02751d070c914597ab98d4a1afa57

Aliases

arxiv: astro-ph/9411081 · arxiv_version: astro-ph/9411081v2 · doi: 10.48550/arxiv.astro-ph/9411081 · pith_short_12: T53EJ7LW6D4N · pith_short_16: T53EJ7LW6D4NNSZW · pith_short_8: T53EJ7LW

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/T53EJ7LW6D4NNSZWV5SSWZLJBT \
  | 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: 9f7644fd76f0f8d6cb36af652b65690cc1d02751d070c914597ab98d4a1afa57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dc80d9b8d231ae6b996d4031571e67c537968786515c410b9eacb16210b100d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1994-11-18T16:39:00Z",
    "title_canon_sha256": "29ecd8f16324591e8ad7c2c61a372fb0c36ef1c1a331a722da506d32c28f8fab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9411081",
    "kind": "arxiv",
    "version": 2
  }
}