Pith Number

pith:S2SSHZIQ

pith:2016:S2SSHZIQ6GWAMWW2AZY6KIRCB5

not attested not anchored not stored refs pending

How to form asteroids from mm-sized grains

Anders Johansen, Daniel Carrera, Melvyn B. Davies

arxiv:1604.02186 v1 · 2016-04-07 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S2SSHZIQ6GWAMWW2AZY6KIRCB5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:17:28.262566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96a523e510f1ac065ada0671e522220f7495a5cec001a244007f4ca8fb7eda0b

Aliases

arxiv: 1604.02186 · arxiv_version: 1604.02186v1 · doi: 10.48550/arxiv.1604.02186 · pith_short_12: S2SSHZIQ6GWA · pith_short_16: S2SSHZIQ6GWAMWW2 · pith_short_8: S2SSHZIQ

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/S2SSHZIQ6GWAMWW2AZY6KIRCB5 \
  | 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: 96a523e510f1ac065ada0671e522220f7495a5cec001a244007f4ca8fb7eda0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "234d9743ab4beef2a98c78767cee6fefa30153b023407574f33eb29a5e1a8ea9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-04-07T22:07:48Z",
    "title_canon_sha256": "ecf8aeefdd335f58715bc3a94f448245ab03e0e14d5e49127b00f6489d0d9038"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02186",
    "kind": "arxiv",
    "version": 1
  }
}