Pith Number

pith:53CG3M5Y

pith:2013:53CG3M5YWFUYE5HTRWVGJ37Z2F

not attested not anchored not stored refs pending

Giant Radio Galaxies: I. Intergalactic Barometers

A. R. Duffy, D. H. Jones, J. M. Malarecki, L. Saripalli, L. Staveley-Smith, M. Rioja, R. Subrahmanyan

arxiv:1303.4825 v1 · 2013-03-20 · 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{53CG3M5YWFUYE5HTRWVGJ37Z2F}

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	2026-05-18T01:51:00.449242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eec46db3b8b1698274f38daa64eff9d169184991218b0e4acef96ad0d4fe2ae9

Aliases

arxiv: 1303.4825 · arxiv_version: 1303.4825v1 · doi: 10.48550/arxiv.1303.4825 · pith_short_12: 53CG3M5YWFUY · pith_short_16: 53CG3M5YWFUYE5HT · pith_short_8: 53CG3M5Y

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/53CG3M5YWFUYE5HTRWVGJ37Z2F \
  | 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: eec46db3b8b1698274f38daa64eff9d169184991218b0e4acef96ad0d4fe2ae9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9804a72620aef658970ad6c31720adb3ee5c454ea97bb71ff58a8d12190befc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-20T03:16:25Z",
    "title_canon_sha256": "b18958f7aae58999156332f7106b9b418379fef722be93f0da8056ad8c2b9783"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4825",
    "kind": "arxiv",
    "version": 1
  }
}