Pith Number

pith:QJRWAZKZ

pith:2013:QJRWAZKZYGE4OXKQK4CF7TEC5T

not attested not anchored not stored refs pending

Mars Encounters cause fresh surfaces on some near-Earth asteroids

Francesca E. DeMeo, Matthew Lockhart, Richard P. Binzel

arxiv:1309.4839 v1 · 2013-09-19 · 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{QJRWAZKZYGE4OXKQK4CF7TEC5T}

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	2026-05-18T01:47:35.652795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8263606559c189c75d5057045fcc82ecf30a9cfc33023bcea6c0a694a15407a1

Aliases

arxiv: 1309.4839 · arxiv_version: 1309.4839v1 · doi: 10.48550/arxiv.1309.4839 · pith_short_12: QJRWAZKZYGE4 · pith_short_16: QJRWAZKZYGE4OXKQ · pith_short_8: QJRWAZKZ

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/QJRWAZKZYGE4OXKQK4CF7TEC5T \
  | 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: 8263606559c189c75d5057045fcc82ecf30a9cfc33023bcea6c0a694a15407a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ecc7cc7c107e24e0503541e5871acc2afe0eccac0cf39283d66ac8a33468f22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-09-19T02:39:56Z",
    "title_canon_sha256": "9c0f889523415891c2026e7ba123069903e89ec58d52ba3168fbdecab8975cd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4839",
    "kind": "arxiv",
    "version": 1
  }
}