Pith Number

pith:L4HRK5YS

pith:2002:L4HRK5YS67R3D6BSOX75C5QJNW

not attested not anchored not stored refs pending

Ram-Ppressure Effects on Dense Molecular Arms in the Central Regions of Spiral Galaxies by Intracluster Medium

Makoto Hidaka, University of Tokyo), Yoshiaki SOFUE (IoA

arxiv:astro-ph/0201103 v1 · 2002-01-08 · 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{L4HRK5YS67R3D6BSOX75C5QJNW}

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	2026-05-18T01:40:43.430120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f0f157712f7e3b1f83275ffd176096d8b22cc1e90f71260af16882b15d6058b

Aliases

arxiv: astro-ph/0201103 · arxiv_version: astro-ph/0201103v1 · doi: 10.48550/arxiv.astro-ph/0201103 · pith_short_12: L4HRK5YS67R3 · pith_short_16: L4HRK5YS67R3D6BS · pith_short_8: L4HRK5YS

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/L4HRK5YS67R3D6BSOX75C5QJNW \
  | 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: 5f0f157712f7e3b1f83275ffd176096d8b22cc1e90f71260af16882b15d6058b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "539d485e481387e5c3cf2bf6c4590f81936de507a6ca6ab65a49ced7a623f9f8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-01-08T09:44:39Z",
    "title_canon_sha256": "27d608d094dbfb9f03d589d466e866dd03ab08e4b5233be63d3ea66a200d6d8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0201103",
    "kind": "arxiv",
    "version": 1
  }
}