Pith Number

pith:HNGZLLPA

pith:2011:HNGZLLPABPHF7TE5QKJBHB6I44

not attested not anchored not stored refs pending

The short-period limit of contact binaries

Dengkai Jiang, Hongwei Ge, Lifang Li, Liheng Yang, Zhanwen Han

arxiv:1112.0466 v1 · 2011-12-02 · 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{HNGZLLPABPHF7TE5QKJBHB6I44}

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	2026-05-18T01:59:18.006336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b4d95ade00bce5fcc9d82921387c8e73e8f22b84d5dab887c5db11ab8c18fef

Aliases

arxiv: 1112.0466 · arxiv_version: 1112.0466v1 · doi: 10.48550/arxiv.1112.0466 · pith_short_12: HNGZLLPABPHF · pith_short_16: HNGZLLPABPHF7TE5 · pith_short_8: HNGZLLPA

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/HNGZLLPABPHF7TE5QKJBHB6I44 \
  | 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: 3b4d95ade00bce5fcc9d82921387c8e73e8f22b84d5dab887c5db11ab8c18fef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbe03bc1d8c84d74da7c0b2fb669b3e87d0c9218c862688a2eeff4ce741f5107",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-02T14:16:36Z",
    "title_canon_sha256": "2503c6732b049c7a7bee23fe5e6bffcaebaa376d17c6b94a2e53b0cfd990c685"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0466",
    "kind": "arxiv",
    "version": 1
  }
}