Pith Number

pith:RNPV3KSH

pith:2012:RNPV3KSH3GUKZATUWIJHQJCSZB

not attested not anchored not stored refs pending

Sizing up Partially-Depleted Galaxy Cores

Alister W. Graham, Bililign T. Dullo

arxiv:1206.3845 v1 · 2012-06-18 · 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{RNPV3KSH3GUKZATUWIJHQJCSZB}

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	2026-05-18T01:56:51.869254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b5f5daa47d9a8ac8274b212782452c872a9fb6d9a467b8fbd9d855d08f06f2f

Aliases

arxiv: 1206.3845 · arxiv_version: 1206.3845v1 · doi: 10.48550/arxiv.1206.3845 · pith_short_12: RNPV3KSH3GUK · pith_short_16: RNPV3KSH3GUKZATU · pith_short_8: RNPV3KSH

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/RNPV3KSH3GUKZATUWIJHQJCSZB \
  | 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: 8b5f5daa47d9a8ac8274b212782452c872a9fb6d9a467b8fbd9d855d08f06f2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5e053fed23651eee7774e0ffc009d5218cdb2a003c64ba140ca5b889ba49312",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-18T08:06:35Z",
    "title_canon_sha256": "e697faf2bcc3655309ad34ba8d502575f08fd10044ebe2c987caa6603d635161"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.3845",
    "kind": "arxiv",
    "version": 1
  }
}