Pith Number

pith:QWNZAVR5

pith:2013:QWNZAVR53PEOPH3LNFVPJ3RBCG

not attested not anchored not stored refs pending

Discovery of eight lensing clusters of galaxies

J. L. Han, S. M. Liang, Y. Y. Jiang, Z. L. Wen

arxiv:1310.4885 v1 · 2013-10-18 · 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{QWNZAVR53PEOPH3LNFVPJ3RBCG}

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	2026-05-18T03:10:02.349443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

859b90563ddbc8e79f6b696af4ee2111928e4750a6dfe51c5a9742166a327799

Aliases

arxiv: 1310.4885 · arxiv_version: 1310.4885v1 · doi: 10.48550/arxiv.1310.4885 · pith_short_12: QWNZAVR53PEO · pith_short_16: QWNZAVR53PEOPH3L · pith_short_8: QWNZAVR5

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/QWNZAVR53PEOPH3LNFVPJ3RBCG \
  | 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: 859b90563ddbc8e79f6b696af4ee2111928e4750a6dfe51c5a9742166a327799

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebe11c6f85cf2be801dd00247242f0cc9bc3e6568ac53937974dc4dce01d04ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-18T02:18:22Z",
    "title_canon_sha256": "35dcbd309d4f9046c4bd1d03fee80f5c37b7705ea3c57954208a32e6460bdddf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4885",
    "kind": "arxiv",
    "version": 1
  }
}