Pith Number

pith:7ZWI2X4W

pith:2013:7ZWI2X4WPQ4J2SICJYEPJP4QKB

not attested not anchored not stored refs pending

Resolving the outer density profile of dark matter halo in Andromeda galaxy

Masao Mori (University of Tsukuba), Takanobu Kirihara, Yohei Miki

arxiv:1305.2007 v1 · 2013-05-09 · 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{7ZWI2X4WPQ4J2SICJYEPJP4QKB}

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	2026-05-18T01:50:04.357442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe6c8d5f967c389d49024e08f4bf90504c74561a7063e2fec44378d57daf9169

Aliases

arxiv: 1305.2007 · arxiv_version: 1305.2007v1 · doi: 10.48550/arxiv.1305.2007 · pith_short_12: 7ZWI2X4WPQ4J · pith_short_16: 7ZWI2X4WPQ4J2SIC · pith_short_8: 7ZWI2X4W

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/7ZWI2X4WPQ4J2SICJYEPJP4QKB \
  | 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: fe6c8d5f967c389d49024e08f4bf90504c74561a7063e2fec44378d57daf9169

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "669a179c57e14aebecf6b2b955faed250b9d43aacecab4d1e0c5574248eedd9b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-05-09T04:12:47Z",
    "title_canon_sha256": "8e3c3c4a1ecbd6fa2f135b170a3844bd25bf99e00bb6491ea70bde79c16d9ffc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2007",
    "kind": "arxiv",
    "version": 1
  }
}