Pith Number

pith:PPGT7J6L

pith:2009:PPGT7J6LJ5W67OYD3QFR7VNPZW

not attested not anchored not stored refs pending

The Araucaria Project. Infrared TRGB distances to the Carina and Fornax dwarf spheroidal galaxies

F. Bresolin, G. Pietrzynski, M. Gorski, R.P. Kudritzki, V. Ivanov, W. Gieren

arxiv:0906.0082 v1 · 2009-05-30 · 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{PPGT7J6LJ5W67OYD3QFR7VNPZW}

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	2026-05-18T02:13:30.423738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bcd3fa7cb4f6defbb03dc0b1fd5afcd837b7d9cadf83d2a6281aea9c90c60f6

Aliases

arxiv: 0906.0082 · arxiv_version: 0906.0082v1 · doi: 10.48550/arxiv.0906.0082 · pith_short_12: PPGT7J6LJ5W6 · pith_short_16: PPGT7J6LJ5W67OYD · pith_short_8: PPGT7J6L

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/PPGT7J6LJ5W67OYD3QFR7VNPZW \
  | 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: 7bcd3fa7cb4f6defbb03dc0b1fd5afcd837b7d9cadf83d2a6281aea9c90c60f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "084708d99a1923ced5131d0e8f38a74eec6d8bc9b02fcecc9b26ec46bc56e5d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-05-30T14:29:52Z",
    "title_canon_sha256": "eaa3cdb0c2dde6399f3bf42d0267c27ff2159784936e2e077e5cfb4984b64e59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0082",
    "kind": "arxiv",
    "version": 1
  }
}