Pith Number

pith:W4RBG2NI

pith:2011:W4RBG2NI4IVBVTTFFGHALFITSP

not attested not anchored not stored refs pending

VLT adaptive optics search for luminous substructures in the lens galaxy towards SDSS J0924+0219

C. Faure, D. Sluse, F. Courbin, G. Meylan, M. Tewes, N. Cantale, P. Durrer

arxiv:1109.6499 v1 · 2011-09-29 · 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{W4RBG2NI4IVBVTTFFGHALFITSP}

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	2026-05-18T02:00:21.575533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7221369a8e22a1ace65298e05951393f67b17cd382c30c8ec532b9e6ddb2c56

Aliases

arxiv: 1109.6499 · arxiv_version: 1109.6499v1 · doi: 10.48550/arxiv.1109.6499 · pith_short_12: W4RBG2NI4IVB · pith_short_16: W4RBG2NI4IVBVTTF · pith_short_8: W4RBG2NI

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/W4RBG2NI4IVBVTTFFGHALFITSP \
  | 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: b7221369a8e22a1ace65298e05951393f67b17cd382c30c8ec532b9e6ddb2c56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1622a63e3d84d641bc33517fb1f6b30421ba0b07796ab58da96d6f4622470b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-29T12:13:09Z",
    "title_canon_sha256": "6e2ad7d1ba7b9b334792f4179e935afeb747f8e98f3b0a72c2d23c12982a71b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6499",
    "kind": "arxiv",
    "version": 1
  }
}