Pith Number

pith:JNAHX2B7

pith:2004:JNAHX2B7AVQIXKE4ECYDTYHFHR

not attested not anchored not stored refs pending

Time-dependent secular evolution in galaxies

Martin D. Weinberg

arxiv:astro-ph/0404169 v1 · 2004-04-08 · 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{JNAHX2B7AVQIXKE4ECYDTYHFHR}

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.

Cited by

2 papers in Pith

Wrinkles in Time. II. Stellar Age Trends in Kinematic Signatures from Transient Spiral Structure

Self-interacting dark matter promotes bar formation in disk galaxies

Receipt and verification

First computed	2026-07-04T14:13:25.706676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b407be83f05608ba89c20b039e0e53c536ba4fd09eae3e87b5b4971ebc72a9e

Aliases

arxiv: astro-ph/0404169 · arxiv_version: astro-ph/0404169v1 · doi: 10.48550/arxiv.astro-ph/0404169 · pith_short_12: JNAHX2B7AVQI · pith_short_16: JNAHX2B7AVQIXKE4 · pith_short_8: JNAHX2B7

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/JNAHX2B7AVQIXKE4ECYDTYHFHR \
  | 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: 4b407be83f05608ba89c20b039e0e53c536ba4fd09eae3e87b5b4971ebc72a9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b283597dc228afb871ce1af9ed10e9d948c01c431220575d4123f72c05a3c1a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-04-08T18:21:59Z",
    "title_canon_sha256": "7c88c141edf45db8e94649f70218e5c7a81f53ce6c0c73c503c228c0e5fc24d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0404169",
    "kind": "arxiv",
    "version": 1
  }
}