Pith Number

pith:56S7DNQA

pith:2005:56S7DNQA2EZCGNVVWBPLIUZZF4

not attested not anchored not stored refs pending

The HI content of Fornax dwarf elliptical galaxies: FCC032 and FCC336

D. Michielsen, H. Dejonghe, M. Baes, P. Buyle, S. De Rijcke

arxiv:astro-ph/0504270 v1 · 2005-04-12 · 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{56S7DNQA2EZCGNVVWBPLIUZZF4}

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	2026-07-04T15:26:29.633537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efa5f1b600d1322336b5b05eb453392f0955230a7854bc2591646ee3a3a9d011

Aliases

arxiv: astro-ph/0504270 · arxiv_version: astro-ph/0504270v1 · doi: 10.48550/arxiv.astro-ph/0504270 · pith_short_12: 56S7DNQA2EZC · pith_short_16: 56S7DNQA2EZCGNVV · pith_short_8: 56S7DNQA

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/56S7DNQA2EZCGNVVWBPLIUZZF4 \
  | 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: efa5f1b600d1322336b5b05eb453392f0955230a7854bc2591646ee3a3a9d011

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6b89aebe9b3d439fb608885670414fda5077f815c1744ee21139cdeb24400f8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-12T13:12:30Z",
    "title_canon_sha256": "2eedcd886a6e5d43bb8666a033dffa254e5fa5ea09943792d273ef19f3b3be03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504270",
    "kind": "arxiv",
    "version": 1
  }
}