Pith Number

pith:NOIAMDRH

pith:2009:NOIAMDRHF544IHMIMLMNGMX4FC

not attested not anchored not stored refs pending

A weak lensing study of the Coma cluster

Alain Mazure (LAM), Christophe Adami (LAM), Florence Durret (IAP), Jean-Charles Cuillandre (CFHT), Melville P. Ulmer, Olivier Ilbert (LAM), Raphael Gavazzi (IAP), Roser Pello (LATT)

arxiv:0904.0220 v1 · 2009-04-01 · 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{NOIAMDRHF544IHMIMLMNGMX4FC}

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	2026-05-18T02:14:08.261080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b90060e272f79c41d8862d8d332fc28bd9478bea6c580c7aa57f4065445ccaf

Aliases

arxiv: 0904.0220 · arxiv_version: 0904.0220v1 · doi: 10.48550/arxiv.0904.0220 · pith_short_12: NOIAMDRHF544 · pith_short_16: NOIAMDRHF544IHMI · pith_short_8: NOIAMDRH

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/NOIAMDRHF544IHMIMLMNGMX4FC \
  | 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: 6b90060e272f79c41d8862d8d332fc28bd9478bea6c580c7aa57f4065445ccaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf29c70359458e36e76ed8c564da9a2da1680cb6ee740f16ed6a05f82730230f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-01T17:18:26Z",
    "title_canon_sha256": "372fbd498fd14d8f1b8a6aed9c1677a7caf6441d1e8f1dec8e7de7d662a6ea1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0220",
    "kind": "arxiv",
    "version": 1
  }
}