Pith Number

pith:4NMBYE5A

pith:2022:4NMBYE5A4VTC4OEGX5JDZOEUSW

not attested not anchored not stored refs pending

The Poor Old Heart of the Milky Way

Adrian M. Price-Whelan, Charlie Conroy, Daniela Ruz-Mieres, David H. Weinberg, David W. Hogg, Francesca De Angeli, Hans-Walter Rix, Maosheng Xiang, Morgan Fouesneau, Ren\'e Andrae, Rohan P. Naidu, Vedant Chandra

arxiv:2209.02722 v1 · 2022-09-06 · 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{4NMBYE5A4VTC4OEGX5JDZOEUSW}

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

1 paper in Pith

Milky Way Disk

Receipt and verification

First computed	2026-07-05T05:26:08.615775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3581c13a0e5662e3886bf523cb894958444a7a39e181387e43fcef8b5117d67

Aliases

arxiv: 2209.02722 · arxiv_version: 2209.02722v1 · doi: 10.48550/arxiv.2209.02722 · pith_short_12: 4NMBYE5A4VTC · pith_short_16: 4NMBYE5A4VTC4OEG · pith_short_8: 4NMBYE5A

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/4NMBYE5A4VTC4OEGX5JDZOEUSW \
  | 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: e3581c13a0e5662e3886bf523cb894958444a7a39e181387e43fcef8b5117d67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb2d46f4a131c82f35201d728706bb50dd33053cf766411ba00a531f7ce00329",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-09-06T18:00:03Z",
    "title_canon_sha256": "2a33b4ae920cc324fef22b7b010a58e33248458fac3eed4eab35219057bbc3d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.02722",
    "kind": "arxiv",
    "version": 1
  }
}