Pith Number

pith:AQAMYGIC

pith:2009:AQAMYGICMRUQI4XLMIXJPTEVAO

not attested not anchored not stored refs pending

Physical constraints on the central mass and baryon content of satellite galaxies

Carlos Frenk, Martin Stringer, Shaun Cole

arxiv:0911.1888 v1 · 2009-11-10 · 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{AQAMYGICMRUQI4XLMIXJPTEVAO}

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	2026-05-18T02:10:49.186213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0400cc190264690472eb622e97cc9503954fd0656ea4e7eb72a492a281e1dfa8

Aliases

arxiv: 0911.1888 · arxiv_version: 0911.1888v1 · doi: 10.48550/arxiv.0911.1888 · pith_short_12: AQAMYGICMRUQ · pith_short_16: AQAMYGICMRUQI4XL · pith_short_8: AQAMYGIC

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/AQAMYGICMRUQI4XLMIXJPTEVAO \
  | 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: 0400cc190264690472eb622e97cc9503954fd0656ea4e7eb72a492a281e1dfa8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c11314b54dc810f3d7742c176ac771d3e6f2145d35dfb8217e93ad13f46e629a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-11-10T16:13:28Z",
    "title_canon_sha256": "414218f3a2dc2a36b32e380727bccc720dfa562ac7aa8d9f2d8ac7036c6001cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1888",
    "kind": "arxiv",
    "version": 1
  }
}