Pith Number

pith:F5362O2B

pith:2009:F5362O2BBN6IEMF7VHFE6VCBQ3

not attested not anchored not stored refs pending

The morphological dependent Tully-Fisher relation of spiral galaxies

Caihong Wang, Chenggang Shu, Jinliang Hou, Ruixiang Chang, Shiyin Shen, Zhengyi Shao

arxiv:0909.4903 v1 · 2009-09-27 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F5362O2BBN6IEMF7VHFE6VCBQ3}

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	2026-05-18T02:34:27.522911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f77ed3b410b7c8230bfa9ca4f544186f861724d0f33c7d0fd1f15ece2ac4623

Aliases

arxiv: 0909.4903 · arxiv_version: 0909.4903v1 · doi: 10.48550/arxiv.0909.4903 · pith_short_12: F5362O2BBN6I · pith_short_16: F5362O2BBN6IEMF7 · pith_short_8: F5362O2B

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/F5362O2BBN6IEMF7VHFE6VCBQ3 \
  | 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: 2f77ed3b410b7c8230bfa9ca4f544186f861724d0f33c7d0fd1f15ece2ac4623

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef6c57d62a4843d4667633100f2c19b6814912c561a6cda6cdcc86c43c862d2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-27T00:23:09Z",
    "title_canon_sha256": "cfd3f1da58a04cb1cc9f8f49ec91fbb430b51d178962c9cfb31335cd7ddb87e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4903",
    "kind": "arxiv",
    "version": 1
  }
}