Pith Number

pith:B5N5CQ2C

pith:2018:B5N5CQ2CEST2UYPPBPJLMZ4SB2

not attested not anchored not stored refs pending

Modeling the Milky Way as a Dry Galaxy

Jeroen B\'edorf, Junichi Baba, Michiko S. Fujii, Simon Portegies Zwart

arxiv:1807.10019 v2 · 2018-07-26 · 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{B5N5CQ2CEST2UYPPBPJLMZ4SB2}

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	2026-05-18T00:03:04.370612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f5bd1434224a7aa61ef0bd2b667920e95f6a092992e6444a0e6554ae18a3c35

Aliases

arxiv: 1807.10019 · arxiv_version: 1807.10019v2 · doi: 10.48550/arxiv.1807.10019 · pith_short_12: B5N5CQ2CEST2 · pith_short_16: B5N5CQ2CEST2UYPP · pith_short_8: B5N5CQ2C

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/B5N5CQ2CEST2UYPPBPJLMZ4SB2 \
  | 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: 0f5bd1434224a7aa61ef0bd2b667920e95f6a092992e6444a0e6554ae18a3c35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce67b8b846c588a149f20bb479ff22d6b350b3f93c05eb56c69c7cb0cb1b47dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-26T09:01:16Z",
    "title_canon_sha256": "17f64384450efd58abbe5f2e9f25f335e7e7073306af6d47617f43e45276c9aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10019",
    "kind": "arxiv",
    "version": 2
  }
}