Pith Number

pith:5QCZGFKY

pith:2011:5QCZGFKY6A5WGD6VQZ4GUBTEF2

not attested not anchored not stored refs pending

Are Dwarf Galaxies Dominated by Dark Matter?

J.M. van der Hulst, R.A. Swaters, R. Sancisi, T.S. van Albada

arxiv:1101.3120 v1 · 2011-01-17 · 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{5QCZGFKY6A5WGD6VQZ4GUBTEF2}

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	2026-05-18T02:03:39.395154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec05931558f03b630fd586786a06642e8a003993cd1d29dd1318591c00eb1e51

Aliases

arxiv: 1101.3120 · arxiv_version: 1101.3120v1 · doi: 10.48550/arxiv.1101.3120 · pith_short_12: 5QCZGFKY6A5W · pith_short_16: 5QCZGFKY6A5WGD6V · pith_short_8: 5QCZGFKY

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/5QCZGFKY6A5WGD6VQZ4GUBTEF2 \
  | 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: ec05931558f03b630fd586786a06642e8a003993cd1d29dd1318591c00eb1e51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4a6ec896604365730bed4d9181427c8e6ad86e5324472044aa4e822b60c888f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-17T03:48:21Z",
    "title_canon_sha256": "b3d2c5dc4504397ac7004b5add1cda0abb4c8380e99be49f2e1d7a2d64e4a742"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3120",
    "kind": "arxiv",
    "version": 1
  }
}