Pith Number

pith:RHDYBE4N

pith:2012:RHDYBE4NUSF2QUJY5EHDZKZETW

not attested not anchored not stored refs pending

A multi-wavelength study of the gravitational lens COSMOS J095930+023427

2), (2) University of Naples "Federico II", 3), (3) INFN), Giovanni Covone (2, Maurizio Paolillo (2, Shuo Cao (1, Zong-Hong Zhu (1) ((1) Beijing Normal University

arxiv:1211.4439 v1 · 2012-11-19 · 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{RHDYBE4NUSF2QUJY5EHDZKZETW}

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	2026-05-18T01:53:02.966054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89c780938da48ba85138e90e3cab249db5f8d65e7db624e4391ea0b699a361be

Aliases

arxiv: 1211.4439 · arxiv_version: 1211.4439v1 · doi: 10.48550/arxiv.1211.4439 · pith_short_12: RHDYBE4NUSF2 · pith_short_16: RHDYBE4NUSF2QUJY · pith_short_8: RHDYBE4N

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/RHDYBE4NUSF2QUJY5EHDZKZETW \
  | 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: 89c780938da48ba85138e90e3cab249db5f8d65e7db624e4391ea0b699a361be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc6846ae969014ca59e2f19a1780e9cc0b2dd8410de56af13983cf6a5fa1e5b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-19T14:37:46Z",
    "title_canon_sha256": "b4fa3b06c6d3a9b76e9e2669dc2efee9757f1d75cb1ffaec454dbb21dad91ee3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4439",
    "kind": "arxiv",
    "version": 1
  }
}