Pith Number

pith:MFPR2O6R

pith:2013:MFPR2O6RQ6X4PQDSPX6GMSHW2W

not attested not anchored not stored refs pending

On the minimum mass ratio of W UMa binaries

Dengkai Jiang, Jiancheng Wang, Lifang, Tianyu Jiang, Zhanwen Han

arxiv:1303.0681 v1 · 2013-03-04 · 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{MFPR2O6RQ6X4PQDSPX6GMSHW2W}

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	2026-05-18T03:31:55.239498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

615f1d3bd187afc7c0727dfc6648f6d5a77509f89d5844d855bfaf80beea3f88

Aliases

arxiv: 1303.0681 · arxiv_version: 1303.0681v1 · doi: 10.48550/arxiv.1303.0681 · pith_short_12: MFPR2O6RQ6X4 · pith_short_16: MFPR2O6RQ6X4PQDS · pith_short_8: MFPR2O6R

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/MFPR2O6RQ6X4PQDSPX6GMSHW2W \
  | 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: 615f1d3bd187afc7c0727dfc6648f6d5a77509f89d5844d855bfaf80beea3f88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bbad23417268726f308e7c477c9042f1e1703e35f5b33af52bf2585e2626cbf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-03-04T11:51:25Z",
    "title_canon_sha256": "ee3f72047b74718e7d42f1316a0c38152eb5ec2a5766ac60a1893d5b7d662148"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0681",
    "kind": "arxiv",
    "version": 1
  }
}