Pith Number

pith:APFU3UXJ

pith:2009:APFU3UXJJERGT772FKEIJRHUH5

not attested not anchored not stored refs pending

Light on Dark Matter with Weak Gravitational Lensing

A. Refregier, J.-L. Starck, S. Pires

arxiv:0908.4157 v1 · 2009-08-28 · 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{APFU3UXJJERGT772FKEIJRHUH5}

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	2026-05-18T02:12:21.617482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03cb4dd2e9492269fffa2a8884c4f43f712f23a022146c13ed95a578cd6e7017

Aliases

arxiv: 0908.4157 · arxiv_version: 0908.4157v1 · doi: 10.48550/arxiv.0908.4157 · pith_short_12: APFU3UXJJERG · pith_short_16: APFU3UXJJERGT772 · pith_short_8: APFU3UXJ

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/APFU3UXJJERGT772FKEIJRHUH5 \
  | 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: 03cb4dd2e9492269fffa2a8884c4f43f712f23a022146c13ed95a578cd6e7017

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07f61ad4d9efcfba7aa3c080171cfe2fad2f2b9829bb7a16f0ef5db33b889ac3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-28T09:04:16Z",
    "title_canon_sha256": "f2ba4162f9468acafe9f80ac3ead88f5e98d1ff82e8016536378e4ae9a3b9573"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4157",
    "kind": "arxiv",
    "version": 1
  }
}