Pith Number

pith:QANVEWJQ

pith:2013:QANVEWJQAQ5DOR63CNLO7P72B2

not attested not anchored not stored refs pending

Scaling laws in disk galaxies

Alister W. Graham

arxiv:1311.7207 v1 · 2013-11-28 · 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{QANVEWJQAQ5DOR63CNLO7P72B2}

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.

Cited by

1 paper in Pith

The Fundamental Relation between Supermassive Black Holes and Their Host Galaxies

Receipt and verification

First computed	2026-05-18T03:05:56.930450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

801b525930043a3747db1356efbffa0eb2007b38ddff9c1278a05eec5374b7b2

Aliases

arxiv: 1311.7207 · arxiv_version: 1311.7207v1 · doi: 10.48550/arxiv.1311.7207 · pith_short_12: QANVEWJQAQ5D · pith_short_16: QANVEWJQAQ5DOR63 · pith_short_8: QANVEWJQ

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/QANVEWJQAQ5DOR63CNLO7P72B2 \
  | 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: 801b525930043a3747db1356efbffa0eb2007b38ddff9c1278a05eec5374b7b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b07e3805d72b78bced5933f28e0b75f26a3abee10292531589ffe431a58d53f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-11-28T04:45:13Z",
    "title_canon_sha256": "2b46a2a140957444b96f1b364809d25311d24564840804d47162e9dbf029d606"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.7207",
    "kind": "arxiv",
    "version": 1
  }
}