Pith Number

pith:W5NXPU2B

pith:2018:W5NXPU2BSA2HDDVCJAM3AUQMFX

not attested not anchored not stored refs pending

Giant planets around FGK stars form probably through core accretion

Gang Zhao, Liang Wang, Wei Wang, Xiang Li, Yuqin Chen

arxiv:1805.02721 v1 · 2018-05-07 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W5NXPU2BSA2HDDVCJAM3AUQMFX}

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	2026-05-18T00:16:35.922005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b75b77d3419034718ea24819b0520c2dcef0f818ad71bf9f1c2d3db47fb4a6e7

Aliases

arxiv: 1805.02721 · arxiv_version: 1805.02721v1 · doi: 10.48550/arxiv.1805.02721 · pith_short_12: W5NXPU2BSA2H · pith_short_16: W5NXPU2BSA2HDDVC · pith_short_8: W5NXPU2B

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/W5NXPU2BSA2HDDVCJAM3AUQMFX \
  | 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: b75b77d3419034718ea24819b0520c2dcef0f818ad71bf9f1c2d3db47fb4a6e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07ae1694e1e0ac9715262fd754922c3a46007a31a2c00f857f907298ef40e709",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-05-07T19:53:23Z",
    "title_canon_sha256": "10c8b65dde273299c984e19cf24d7ba3b295c885127a020a3c830da03a4c6175"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02721",
    "kind": "arxiv",
    "version": 1
  }
}