Pith Number

pith:57FATBJB

pith:2017:57FATBJBKJH7X522QL4MNGBBXC

not attested not anchored not stored refs pending

An analytical model of crater count equilibrium

Caleb I. Fassett, David A. Minton, Masatoshi Hirabayashi

arxiv:1701.00471 v1 · 2017-01-02 · 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{57FATBJBKJH7X522QL4MNGBBXC}

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	2026-05-18T00:49:10.301127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efca098521524ffbf75a82f8c69821b89802104e0a3c7cfc64e52737b6e7ae82

Aliases

arxiv: 1701.00471 · arxiv_version: 1701.00471v1 · doi: 10.48550/arxiv.1701.00471 · pith_short_12: 57FATBJBKJH7 · pith_short_16: 57FATBJBKJH7X522 · pith_short_8: 57FATBJB

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/57FATBJBKJH7X522QL4MNGBBXC \
  | 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: efca098521524ffbf75a82f8c69821b89802104e0a3c7cfc64e52737b6e7ae82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b35cb323f08666bb8a91db2b269f554d27619c027bb5f87bffd1c5e5f6c281cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-01-02T18:07:34Z",
    "title_canon_sha256": "1b520308516dfd5fedc4e3cc765c76eb31591d211598c6042c2227be6b1d2957"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00471",
    "kind": "arxiv",
    "version": 1
  }
}