Pith Number

pith:VPHPFALC

pith:2017:VPHPFALCBTFDRHFI7ZSXJ3GKDV

not attested not anchored not stored refs pending

A tale of clusters: No resolvable periodicity in the terrestrial impact cratering record

22362 Lund, (2) Lund University, 8092 Zurich, Clausiusstrasse 25, Department of Geology, Institute of Geochemistry, Matthias M. M. Meier (1), Petrology, Sanna Holm-Alwmark (2) ((1) ETH Zurich, S\"olvegatan 12, Sweden), Switzerland

arxiv:1701.08953 v1 · 2017-01-31 · 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{VPHPFALCBTFDRHFI7ZSXJ3GKDV}

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	2026-05-18T00:51:38.810590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abcef281620cca389ca8fe6574ecca1d661bac210dcb649649e7d0967b907852

Aliases

arxiv: 1701.08953 · arxiv_version: 1701.08953v1 · doi: 10.48550/arxiv.1701.08953 · pith_short_12: VPHPFALCBTFD · pith_short_16: VPHPFALCBTFDRHFI · pith_short_8: VPHPFALC

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/VPHPFALCBTFDRHFI7ZSXJ3GKDV \
  | 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: abcef281620cca389ca8fe6574ecca1d661bac210dcb649649e7d0967b907852

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48aec909f7a1eccd781cbdb346071dd642c605736535562bef2beb5d631e60a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-01-31T09:12:47Z",
    "title_canon_sha256": "0eea209fd0cd275ecb65102f961e3f98074ba067a6fe2deddfee01d94746388f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08953",
    "kind": "arxiv",
    "version": 1
  }
}