Pith Number

pith:VGHEDQ5D

pith:2023:VGHEDQ5DCEPAP7GWQBDD3ZZPY5

not attested not anchored not stored refs pending

Dynamical masses across the Hertzsprung-Russell diagram

Hsiang-Chih Hwang, Joshua S. Speagle, Sihao Cheng, Yuan-Sen Ting

arxiv:2308.08584 v1 · 2023-08-16 · astro-ph.SR · 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{VGHEDQ5DCEPAP7GWQBDD3ZZPY5}

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	2026-07-05T09:15:53.408884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a98e41c3a3111e07fcd680463de72fc7547491e70964992130173c484dd7de2b

Aliases

arxiv: 2308.08584 · arxiv_version: 2308.08584v1 · doi: 10.48550/arxiv.2308.08584 · pith_short_12: VGHEDQ5DCEPA · pith_short_16: VGHEDQ5DCEPAP7GW · pith_short_8: VGHEDQ5D

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/VGHEDQ5DCEPAP7GWQBDD3ZZPY5 \
  | 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: a98e41c3a3111e07fcd680463de72fc7547491e70964992130173c484dd7de2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6f660709fd457bb55e57346231c9a828b4a5defe335297bd1468c2edd4cb08b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-08-16T18:00:00Z",
    "title_canon_sha256": "d812876f8928c7e2bd69c9acca43a0e304c1e57e80cea1d608a9e8f790c46d9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.08584",
    "kind": "arxiv",
    "version": 1
  }
}