Pith Number

pith:KW2SYFDA

pith:2013:KW2SYFDA7TGT3GHPPIMN43V7VG

not attested not anchored not stored refs pending

Tully-Fisher analysis of the multiple cluster system Abell 901/902

Alfonso Arag\'on-Salamanca, Asmus B\"ohm, Benjamin B\"osch, Bodo L. Ziegler, Christian Wolf, Klaus Meisenheimer, Marco Barden, Meghan E. Gray, Michael Balogh, Sabine Schindler

arxiv:1304.6186 v1 · 2013-04-23 · 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{KW2SYFDA7TGT3GHPPIMN43V7VG}

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	2026-05-18T03:21:10.076693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55b52c1460fccd3d98ef7a18de6ebfa9b232954d6c9bc9f75d0bcb5952b5bc0a

Aliases

arxiv: 1304.6186 · arxiv_version: 1304.6186v1 · doi: 10.48550/arxiv.1304.6186 · pith_short_12: KW2SYFDA7TGT · pith_short_16: KW2SYFDA7TGT3GHP · pith_short_8: KW2SYFDA

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/KW2SYFDA7TGT3GHPPIMN43V7VG \
  | 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: 55b52c1460fccd3d98ef7a18de6ebfa9b232954d6c9bc9f75d0bcb5952b5bc0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14c168d4e1b335beabe3e7c61d3c9abbc3fa4ac3ec9a3c849c6393a507aabc12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-23T07:24:29Z",
    "title_canon_sha256": "a2fcc16c00be8b21b6970d914f94f59011a415ba82d04a068d70d6232b9c768f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6186",
    "kind": "arxiv",
    "version": 1
  }
}