Pith Number

pith:5FKAWTR7

pith:2009:5FKAWTR7BU5K4MNGK5IDCOTGWT

not attested not anchored not stored refs pending

Hubble Space Telescope Observations of a Spectacular New Strong-lensing Galaxy Cluster - MACSJ1149.5+2223 at z=0.544

Alastair C. Edge, A. M. Swinbank, Cheng-Jiun Ma, David J. Sand, Eric Jullo, Graham P. Smith, Harald Ebeling, Ian Smail, Jean-Paul Kneib, Johan Richard, Marceau Limousin, Mathilde Jauzac

arxiv:0911.2003 v1 · 2009-11-10 · 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{5FKAWTR7BU5K4MNGK5IDCOTGWT}

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	2026-05-18T02:34:11.353182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9540b4e3f0d3aae31a65750313a66b4f806aa34b02226cf2a600c8f922d2c69

Aliases

arxiv: 0911.2003 · arxiv_version: 0911.2003v1 · doi: 10.48550/arxiv.0911.2003 · pith_short_12: 5FKAWTR7BU5K · pith_short_16: 5FKAWTR7BU5K4MNG · pith_short_8: 5FKAWTR7

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/5FKAWTR7BU5K4MNGK5IDCOTGWT \
  | 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: e9540b4e3f0d3aae31a65750313a66b4f806aa34b02226cf2a600c8f922d2c69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "731206df625fc4ff0b62d148290f2e81de72cefddff1d73b25f1f19e860713f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-10T21:13:49Z",
    "title_canon_sha256": "677663aca6168edec14706e3eb320248bb39048cd53ad36c57b55e03cc1dfb5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2003",
    "kind": "arxiv",
    "version": 1
  }
}