Pith Number

pith:RNE7QWBF

pith:2018:RNE7QWBFVFBDXOZVXEI4QOY7PR

not attested not anchored not stored refs pending

Phylogeny of the Milky Way's inner disk and bulge populations: Implications for gas accretion, (the lack of) inside-out thick disk formation, and quenching

Francesca Fragkoudi, Matthew Lehnert, Misha Haywood, Owain Snaith, Paola Di Matteo, Sergey Khoperskov

arxiv:1802.09887 v1 · 2018-02-27 · 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{RNE7QWBFVFBDXOZVXEI4QOY7PR}

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	2026-05-18T00:03:06.638909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b49f85825a9423bbb35b911c83b1f7c48eaa55c77d068e7783ad0c55f9f8ed0

Aliases

arxiv: 1802.09887 · arxiv_version: 1802.09887v1 · doi: 10.48550/arxiv.1802.09887 · pith_short_12: RNE7QWBFVFBD · pith_short_16: RNE7QWBFVFBDXOZV · pith_short_8: RNE7QWBF

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/RNE7QWBFVFBDXOZVXEI4QOY7PR \
  | 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: 8b49f85825a9423bbb35b911c83b1f7c48eaa55c77d068e7783ad0c55f9f8ed0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2268bde3da17c83cf0541d2b4b460467b22f97608d94b357feb6e3c2d643d998",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-27T14:00:18Z",
    "title_canon_sha256": "b65acc63ae265abf3971bc598b3067cea2425a90bf223d0d970214f3e882909d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09887",
    "kind": "arxiv",
    "version": 1
  }
}