Pith Number

pith:E53AVXYK

pith:2025:E53AVXYKR3JD55JPXQMY73LA52

not attested not anchored not stored refs pending

A Mission to Demonstrate Rapid-Response Flyby Reconnaissance for Planetary Defense

Andrew F. Cheng, Andrew S. Rivkin, Angela M. Stickle, Benjamin F. Villac, Carolyn M. Ernst, Dawn M. Graninger, Evan J. Smith, Jodi R. Berdis, Joseph J. Linden, Justin A. Atchison, Nancy L. Chabot, Olivier S. Barnouin, Ronald-L. Ballouz, R. Terik Daly, Rylie Bull, Sarah Hefter

arxiv:2504.15321 v1 · 2025-04-21 · astro-ph.IM · 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{E53AVXYKR3JD55JPXQMY73LA52}

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	2026-07-05T10:52:00.710446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27760adf0a8ed23ef52fbc198fed60eeb77895730d6a1028ee7f289b8d7a081b

Aliases

arxiv: 2504.15321 · arxiv_version: 2504.15321v1 · doi: 10.48550/arxiv.2504.15321 · pith_short_12: E53AVXYKR3JD · pith_short_16: E53AVXYKR3JD55JP · pith_short_8: E53AVXYK

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/E53AVXYKR3JD55JPXQMY73LA52 \
  | 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: 27760adf0a8ed23ef52fbc198fed60eeb77895730d6a1028ee7f289b8d7a081b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06694ca796d04d165be91acbdc1d32709789b543c2f9a2408586ab9506a8c4bd",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-04-21T00:14:32Z",
    "title_canon_sha256": "6149ab5d66eb78a631308c921fd2ecff3f96a833067d40ee9c96b80baf4e19e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.15321",
    "kind": "arxiv",
    "version": 1
  }
}