Pith Number

pith:E3TYTXBM

pith:2008:E3TYTXBMY2MRGREXNKJVYIBGJ5

not attested not anchored not stored refs pending

The stellar halo of the Galaxy

Amina Helmi (Kapteyn Astronomical Institute)

arxiv:0804.0019 v2 · 2008-03-31 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E3TYTXBMY2MRGREXNKJVYIBGJ5}

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

2 papers in Pith

Probing the origins. III. Exoplanet demographics across Galactic birth radii

Applying Liouville's Theorem to Gaia Data

Receipt and verification

First computed	2026-07-04T15:44:46.048226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26e789dc2cc6991344976a935c20264f6df7ea451d09fe3a53d5f47051d00650

Aliases

arxiv: 0804.0019 · arxiv_version: 0804.0019v2 · doi: 10.48550/arxiv.0804.0019 · pith_short_12: E3TYTXBMY2MR · pith_short_16: E3TYTXBMY2MRGREX · pith_short_8: E3TYTXBM

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/E3TYTXBMY2MRGREXNKJVYIBGJ5 \
  | 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: 26e789dc2cc6991344976a935c20264f6df7ea451d09fe3a53d5f47051d00650

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab550506dcb99a6eb37fc4d80e6017534b8dcc4faeea06426a85c56f392dc619",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-03-31T20:55:51Z",
    "title_canon_sha256": "c9b83719a82aeddfc88088b5bf288e5fecdbb39519618bd9b8a439e7e566cc32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.0019",
    "kind": "arxiv",
    "version": 2
  }
}