Pith Number

pith:4ZH746X4

pith:2019:4ZH746X4LQHYORMPBI3ERY65HY

not attested not anchored not stored refs pending

From cosmic explosions to terrestrial fires?

Adrian L. Melott (Kansas), Brian C. Thomas (Washburn)

arxiv:1903.01501 v1 · 2019-03-04 · astro-ph.EP · astro-ph.HE · physics.ao-ph · physics.geo-ph · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ZH746X4LQHYORMPBI3ERY65HY}

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	2026-05-17T23:41:57.939847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e64ffe7afc5c0f87458f0a3648e3dd3e38e43ac4768b6c47193a7b5b0503c227

Aliases

arxiv: 1903.01501 · arxiv_version: 1903.01501v1 · doi: 10.48550/arxiv.1903.01501 · pith_short_12: 4ZH746X4LQHY · pith_short_16: 4ZH746X4LQHYORMP · pith_short_8: 4ZH746X4

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/4ZH746X4LQHYORMPBI3ERY65HY \
  | 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: e64ffe7afc5c0f87458f0a3648e3dd3e38e43ac4768b6c47193a7b5b0503c227

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60820ed11a2612a91b50f36abb50bf3bf26035e78fd86794a231849981791aaf",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "physics.ao-ph",
      "physics.geo-ph",
      "q-bio.PE"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-03-04T19:35:49Z",
    "title_canon_sha256": "c0997739ac0090ddd48edd396c37f1d11e0213f22d78771e8fd8ecebd01c418d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01501",
    "kind": "arxiv",
    "version": 1
  }
}