Pith Number

pith:IWNGDXFI

pith:2011:IWNGDXFI4DRLTFMPNCUN43LUNA

not attested not anchored not stored refs pending

A New Probe of the Distribution of Dark Matter in Galaxies

Sukanya Chakrabarti

arxiv:1112.1416 v1 · 2011-12-06 · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IWNGDXFI4DRLTFMPNCUN43LUNA}

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	2026-05-18T04:06:54.572686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

459a61dca8e0e2b9958f68a8de6d74680ca929d8ab7fba6f5e2a78bc0282de24

Aliases

arxiv: 1112.1416 · arxiv_version: 1112.1416v1 · doi: 10.48550/arxiv.1112.1416 · pith_short_12: IWNGDXFI4DRL · pith_short_16: IWNGDXFI4DRLTFMP · pith_short_8: IWNGDXFI

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/IWNGDXFI4DRLTFMPNCUN43LUNA \
  | 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: 459a61dca8e0e2b9958f68a8de6d74680ca929d8ab7fba6f5e2a78bc0282de24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70fa9b56519ba323349556800fcf8d5f9bb04b11c5c4f3a48f0afcd68684aee6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-06T21:01:29Z",
    "title_canon_sha256": "bf03d19b50b6d3bb9a827c8ed12c2bbb75b2b96bbc08a1fce98708479a77018b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1416",
    "kind": "arxiv",
    "version": 1
  }
}