Pith Number

pith:QQPG2VIV

pith:2014:QQPG2VIVZMHBXXZDNBZRQP5LWT

not attested not anchored not stored refs pending

Puzzling Outer-Density Profile of the Dark Matter Halo in the Andromeda Galaxy

Masao Mori, Takanobu Kirihara, Yohei Miki

arxiv:1408.4920 v2 · 2014-08-21 · 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{QQPG2VIVZMHBXXZDNBZRQP5LWT}

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	2026-05-18T01:42:16.275587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

841e6d5515cb0e1bdf236873183fabb4ec6e110e724b7e29a1d2439c5a76c05c

Aliases

arxiv: 1408.4920 · arxiv_version: 1408.4920v2 · doi: 10.48550/arxiv.1408.4920 · pith_short_12: QQPG2VIVZMHB · pith_short_16: QQPG2VIVZMHBXXZD · pith_short_8: QQPG2VIV

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/QQPG2VIVZMHBXXZDNBZRQP5LWT \
  | 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: 841e6d5515cb0e1bdf236873183fabb4ec6e110e724b7e29a1d2439c5a76c05c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2af3b20640bebfb1cd7b61d94d2a0ab56c6d0ce75af442c51416b172a8ff6182",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-08-21T08:59:19Z",
    "title_canon_sha256": "f60b0ca4661757b31c0c43bca31fcf912da70c0df9f1636a3fe3f8fd30a3e0b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4920",
    "kind": "arxiv",
    "version": 2
  }
}