Pith Number

pith:3JBRMDLH

pith:2014:3JBRMDLHUZXXMQWXKM2HOC5AEJ

not attested not anchored not stored refs pending

Recent multi-kiloton impact events: are they truly random?

C. de la Fuente Marcos, R. de la Fuente Marcos

arxiv:1409.0452 v4 · 2014-09-01 · 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{3JBRMDLHUZXXMQWXKM2HOC5AEJ}

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	2026-05-18T02:38:52.820271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da43160d67a66f7642d75334770ba0225863734a086c5f65fc825ecfc59468fc

Aliases

arxiv: 1409.0452 · arxiv_version: 1409.0452v4 · doi: 10.48550/arxiv.1409.0452 · pith_short_12: 3JBRMDLHUZXX · pith_short_16: 3JBRMDLHUZXXMQWX · pith_short_8: 3JBRMDLH

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/3JBRMDLHUZXXMQWXKM2HOC5AEJ \
  | 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: da43160d67a66f7642d75334770ba0225863734a086c5f65fc825ecfc59468fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e882752524fcad1f49327161301213fa17caff6bff14f8bb803356c6e002d49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-09-01T15:37:15Z",
    "title_canon_sha256": "d2ad8da4ab4b7af69f2af93668f334e1ae65f79f94270c375bfb25a3ac0e4f40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0452",
    "kind": "arxiv",
    "version": 4
  }
}