Pith Number

pith:7HS4ZU5O

pith:2018:7HS4ZU5OZTT3453ER3M3HCXQXJ

not attested not anchored not stored refs pending

On the nature of the black-body stars

Aldo Serenelli, Masataka Fukugita, Rene Rohrmann

arxiv:1804.01236 v2 · 2018-04-04 · 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{7HS4ZU5OZTT3453ER3M3HCXQXJ}

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	2026-05-17T23:49:43.936178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9e5ccd3aecce7be77648ed9b38af0ba61b19a26bc28c403a6ef1e665e70c7fd

Aliases

arxiv: 1804.01236 · arxiv_version: 1804.01236v2 · doi: 10.48550/arxiv.1804.01236 · pith_short_12: 7HS4ZU5OZTT3 · pith_short_16: 7HS4ZU5OZTT3453E · pith_short_8: 7HS4ZU5O

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/7HS4ZU5OZTT3453ER3M3HCXQXJ \
  | 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: f9e5ccd3aecce7be77648ed9b38af0ba61b19a26bc28c403a6ef1e665e70c7fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dfe448cac5fa30d07e18b12405b29136a667aae78a4cf48518f3bae9a52d1bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-04T04:56:50Z",
    "title_canon_sha256": "e9ca9f7c796b19f873aa2d4e0bc66aabb2a00b78666b02200e74112174cec539"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01236",
    "kind": "arxiv",
    "version": 2
  }
}