Pith Number

pith:4F5WC7UG

pith:2018:4F5WC7UGQJVR2GTBWEK73IPQNS

not attested not anchored not stored refs pending

Three Pathways for Observed Resonant Chains

Mariah G. MacDonald, Rebekah I. Dawson

arxiv:1809.06443 v2 · 2018-09-17 · 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{4F5WC7UGQJVR2GTBWEK73IPQNS}

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	2026-05-18T00:01:28.268628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e17b617e86826b1d1a61b115fda1f06c8a1211fad2d986dd4a47ffcdcd574168

Aliases

arxiv: 1809.06443 · arxiv_version: 1809.06443v2 · doi: 10.48550/arxiv.1809.06443 · pith_short_12: 4F5WC7UGQJVR · pith_short_16: 4F5WC7UGQJVR2GTB · pith_short_8: 4F5WC7UG

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/4F5WC7UGQJVR2GTBWEK73IPQNS \
  | 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: e17b617e86826b1d1a61b115fda1f06c8a1211fad2d986dd4a47ffcdcd574168

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "031aaa37b2e1a9888110d5dcf537dfd4dc1911ca376aa55d1a37388f63d75d0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-09-17T20:58:18Z",
    "title_canon_sha256": "54e28e41d50fe03f8336ac59ffee7822ea24370ed99bbb317b7aa33ca6f2f3e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06443",
    "kind": "arxiv",
    "version": 2
  }
}