Pith Number

pith:GFMJYPNH

pith:2020:GFMJYPNHC62EDUK24DQMORA2FC

not attested not anchored not stored refs pending

CKS IX: Revisiting the Minimum-Mass Extrasolar Nebula with Precise Stellar Parameters

Andrew W. Howard, Erik A. Petigura, Fei Dai, Joshua N. Winn, Kevin Schlaufman, Lauren Weiss, Min Fang, Songhu Wang

arxiv:2004.04847 v1 · 2020-04-09 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GFMJYPNHC62EDUK24DQMORA2FC}

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	2026-07-05T01:02:15.602833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31589c3da717b441d15ae0e0c7441a289ae9c6713a3beb700bda96ae4094441c

Aliases

arxiv: 2004.04847 · arxiv_version: 2004.04847v1 · doi: 10.48550/arxiv.2004.04847 · pith_short_12: GFMJYPNHC62E · pith_short_16: GFMJYPNHC62EDUK2 · pith_short_8: GFMJYPNH

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/GFMJYPNHC62EDUK24DQMORA2FC \
  | 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: 31589c3da717b441d15ae0e0c7441a289ae9c6713a3beb700bda96ae4094441c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48e48e9034421e31d48134325a30268dd95a483fb7013e3210dd176ac8ef3815",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-04-09T23:09:51Z",
    "title_canon_sha256": "eb02d1b9e5b9a9d52aac3207af5450d6f29c6e2442a6ab4efd3fd4c9e5aecb2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.04847",
    "kind": "arxiv",
    "version": 1
  }
}