Pith Number

pith:J2NW6QLN

pith:2013:J2NW6QLNCV6UMJ2L4STZ76ORNI

not attested not anchored not stored refs pending

Conglomeration of kilometre-sized planetesimals

Andrew Shannon (Cambridge), Yanqin Wu (Toronto), Yoram Lithwick (Northwestern)

arxiv:1303.3888 v2 · 2013-03-15 · 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{J2NW6QLNCV6UMJ2L4STZ76ORNI}

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	2026-05-18T02:25:49.343957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e9b6f416d157d46274be4a79ff9d16a3b48205ab5e11588761635e0d40881e6

Aliases

arxiv: 1303.3888 · arxiv_version: 1303.3888v2 · doi: 10.48550/arxiv.1303.3888 · pith_short_12: J2NW6QLNCV6U · pith_short_16: J2NW6QLNCV6UMJ2L · pith_short_8: J2NW6QLN

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/J2NW6QLNCV6UMJ2L4STZ76ORNI \
  | 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: 4e9b6f416d157d46274be4a79ff9d16a3b48205ab5e11588761635e0d40881e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "127c2bb8bc59ac8c9e2d93a80e281b3103d94b89e5c6ceeea709c95aa7ee63ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-03-15T20:00:19Z",
    "title_canon_sha256": "e6c54ead86f5279da1a92c30661d4bc74b9cde00e2055fa93c99335f4f8d6135"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3888",
    "kind": "arxiv",
    "version": 2
  }
}