Pith Number

pith:XUR2YHC4

pith:2020:XUR2YHC4FQPIK3VKTQPEJ4PSIW

not attested not anchored not stored refs pending

Insights into the Formation and Evolution History of the Galactic Disk System

Doo Ri Han, Timothy C. Beers, Young Kwang Kim, Young Sun Lee

arxiv:2005.04866 v2 · 2020-05-11 · 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{XUR2YHC4FQPIK3VKTQPEJ4PSIW}

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	2026-07-05T01:10:38.357082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd23ac1c5c2c1e856eaa9c1e44f1f245a8bb8b2aba39032574a0bbe7813a95e4

Aliases

arxiv: 2005.04866 · arxiv_version: 2005.04866v2 · doi: 10.48550/arxiv.2005.04866 · pith_short_12: XUR2YHC4FQPI · pith_short_16: XUR2YHC4FQPIK3VK · pith_short_8: XUR2YHC4

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/XUR2YHC4FQPIK3VKTQPEJ4PSIW \
  | 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: bd23ac1c5c2c1e856eaa9c1e44f1f245a8bb8b2aba39032574a0bbe7813a95e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae554fd30fa1bf63aab0193b2dbe104b61b57fb16d1ad9c0e33459c67635dcc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-05-11T05:20:57Z",
    "title_canon_sha256": "58907850a5cf4a9814e6de5b3b3ec3997534d866cb7b1e0b933056d6a9180a0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.04866",
    "kind": "arxiv",
    "version": 2
  }
}