Pith Number

pith:PIE2SY3P

pith:2025:PIE2SY3PNWO27OBUKPETCLWEQX

not attested not anchored not stored refs pending

Mapping the Milky Way in 5-D with 170 Million Stars

Aaron Dotter, Alyssa A. Goodman, Ana Bonaca, Andrew K. Saydjari, Angus Beane, Benjamin D. Johnson, Catherine Zucker, Charlie Conroy, Daniel J. Eisenstein, Douglas P. Finkbeiner, Edward F. Schlafly, Gregory M. Green, Gwendolyn Eadie, Hans-Walter Rix, Harshil M. Kamdar, Ioana A. Zelko, Jiwon Jesse Han, Joshua S. Speagle, Phillip A. Cargile, Rohan Naidu, Yuan-Sen Ting

arxiv:2503.02200 v1 · 2025-03-04 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PIE2SY3PNWO27OBUKPETCLWEQX}

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	2026-07-05T10:23:39.120064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a09a9636f6d9dafb83453c9312ec485d25bb92f77943e85b62c7c2db7c6dbe1

Aliases

arxiv: 2503.02200 · arxiv_version: 2503.02200v1 · doi: 10.48550/arxiv.2503.02200 · pith_short_12: PIE2SY3PNWO2 · pith_short_16: PIE2SY3PNWO27OBU · pith_short_8: PIE2SY3P

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/PIE2SY3PNWO27OBUKPETCLWEQX \
  | 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: 7a09a9636f6d9dafb83453c9312ec485d25bb92f77943e85b62c7c2db7c6dbe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59564bc1992251c62932638aa5f3ca9d8dfa76207a27b7ac09db5d4a0702f874",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-03-04T02:26:33Z",
    "title_canon_sha256": "3f32b4b28423ffade1a558f281708df0013e34ed844a8fb94c3c6a82a6e29767"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.02200",
    "kind": "arxiv",
    "version": 1
  }
}