Pith Number

pith:FIKYZA7J

pith:2014:FIKYZA7JKFJC2GDSVTTNTNE3F5

not attested not anchored not stored refs pending

Hubble Frontier Fields : A High-Precision Strong-Lensing Mass Model of the Massive Galaxy Cluster Abell 2744 using 180 Multiple Images

ACRU), Benjamin Cl\'ement (CRAL), Dominique Eckert (Geneva), Eiichi Egami (Steward), Eric Jullo (LAM), Hakim Atek (EPFL), Harald Ebeling (IfA, Hawaii), Jean-Paul Kneib (EPFL, Johan Richard (CRAL), LAM), Marceau Limousin (LAM), Markus Rexroth (EPFL), Mathilde Jauzac (Durham, Priyamvada Natarajan (Yale), Richard Massey (Durham), Steve Rodney (JHU)

arxiv:1409.8663 v4 · 2014-09-30 · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FIKYZA7JKFJC2GDSVTTNTNE3F5}

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	2026-05-18T01:35:51.811799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a158c83e951522d1872ace6d9b49b2f7998c236ec1b406d5c46d7320f8d1488

Aliases

arxiv: 1409.8663 · arxiv_version: 1409.8663v4 · doi: 10.48550/arxiv.1409.8663 · pith_short_12: FIKYZA7JKFJC · pith_short_16: FIKYZA7JKFJC2GDS · pith_short_8: FIKYZA7J

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/FIKYZA7JKFJC2GDSVTTNTNE3F5 \
  | 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: 2a158c83e951522d1872ace6d9b49b2f7998c236ec1b406d5c46d7320f8d1488

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b9e121eda995e3509eb5a8e7e8d975466a01e5a7f2a2f527b7ad9d2ab84321b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-09-30T19:29:42Z",
    "title_canon_sha256": "643f9e37dd11b15646231b68948ca868f24b0e4317c6ece611bd0d50edd02472"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8663",
    "kind": "arxiv",
    "version": 4
  }
}