Pith Number

pith:I5QHKGE5

pith:2012:I5QHKGE5QMR2I66BRN7SWMCICJ

not attested not anchored not stored refs pending

PAndAS in the mist: The stellar and gaseous mass within the halos of M31 and M33

A. Dougal Mackey, Alan W. McConnachie, Annette M. N. Ferguson, Arif Babul, Geraint F. Lewis, John Dubinski, Larry Widrow, Mark Fardal, Michael J. Irwin, Michael Rich, Nial Tanvir, Nicolas F. Martin, Robert Braun, Rodrigo A. Ibata, Scott C. Chapman

arxiv:1211.4059 v1 · 2012-11-16 · astro-ph.CO · 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{I5QHKGE5QMR2I66BRN7SWMCICJ}

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	2026-05-18T01:53:10.133116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

476075189d8323a47bc18b7f2b3048125478d332685c74c1436cc7d348e99e7e

Aliases

arxiv: 1211.4059 · arxiv_version: 1211.4059v1 · doi: 10.48550/arxiv.1211.4059 · pith_short_12: I5QHKGE5QMR2 · pith_short_16: I5QHKGE5QMR2I66B · pith_short_8: I5QHKGE5

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/I5QHKGE5QMR2I66BRN7SWMCICJ \
  | 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: 476075189d8323a47bc18b7f2b3048125478d332685c74c1436cc7d348e99e7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c04914a6e3bab3a9411f9ba52663af17b72aa48f873290dd3153e106992ebe0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-16T22:51:55Z",
    "title_canon_sha256": "681a936b723639fc4f26844f77802ee68071de4b7ea368ada741b5f0ee405cf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4059",
    "kind": "arxiv",
    "version": 1
  }
}