Pith Number

pith:4EKM64E2

pith:2016:4EKM64E26RSFNIZPNTYM3422JX

not attested not anchored not stored refs pending

The Entire Virial Radius of the Fossil Cluster RXJ1159+5531: II. Dark Matter and Baryon Fraction

David A. Buote (UC Irvine), Fabio Gastaldello (INAF-IASF Milan), Fabrizio Brighenti (Bologna), Yuanyuan Su (Harvard/CfA)

arxiv:1605.02773 v2 · 2016-05-09 · astro-ph.GA · 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{4EKM64E26RSFNIZPNTYM3422JX}

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	2026-05-18T01:10:04.887355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e114cf709af46456a32f6cf0cdf35a4dfce23037a77e6fd2a04718274974548c

Aliases

arxiv: 1605.02773 · arxiv_version: 1605.02773v2 · doi: 10.48550/arxiv.1605.02773 · pith_short_12: 4EKM64E26RSF · pith_short_16: 4EKM64E26RSFNIZP · pith_short_8: 4EKM64E2

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/4EKM64E26RSFNIZPNTYM3422JX \
  | 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: e114cf709af46456a32f6cf0cdf35a4dfce23037a77e6fd2a04718274974548c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53da5c9c67ccae224f302e5595a443ab1410ae2dcee53476761a1535b835b247",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-05-09T20:40:35Z",
    "title_canon_sha256": "e88ad57a330a670aa2d54eb6ef3039b9e262860e0f8c4a6d52faeede7ff31983"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02773",
    "kind": "arxiv",
    "version": 2
  }
}