Pith Number

pith:32EYDJEZ

pith:2011:32EYDJEZ7RGYWOGHRGLBAMVNCM

not attested not anchored not stored refs pending

The dark matter halos of dwarf galaxies: a challenge for the LCDM paradigm?

Ismael Ferrero, Julio F. Navarro, Laura V. Sales, Mario G. Abadi, Sebastian Gurovich

arxiv:1111.6609 v3 · 2011-11-28 · 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{32EYDJEZ7RGYWOGHRGLBAMVNCM}

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	2026-05-18T01:59:22.597758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de8981a499fc4d8b38c789961032ad13015c768d9df25e2318d09cd1c5a60163

Aliases

arxiv: 1111.6609 · arxiv_version: 1111.6609v3 · doi: 10.48550/arxiv.1111.6609 · pith_short_12: 32EYDJEZ7RGY · pith_short_16: 32EYDJEZ7RGYWOGH · pith_short_8: 32EYDJEZ

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/32EYDJEZ7RGYWOGHRGLBAMVNCM \
  | 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: de8981a499fc4d8b38c789961032ad13015c768d9df25e2318d09cd1c5a60163

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3926ed1dac1d0fe353cd26d71d5bd3dfa046748da4bb852b2abe33bf5865bf65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-28T21:06:52Z",
    "title_canon_sha256": "21404bcdf1308139844da144ec3345d058ccdcc3fcbd532c6ac5c7a2ef583272"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6609",
    "kind": "arxiv",
    "version": 3
  }
}