Pith Number

pith:4H57NY7Z

pith:2009:4H57NY7ZJQFD4OQ3GLU32DDQNH

not attested not anchored not stored refs pending

Modeling the Formation of Giant Planet Cores I: Evaluating Key Processes

E. Thommes, H.F. Levison, M.J. Duncan

arxiv:0912.3144 v1 · 2009-12-16 · 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{4H57NY7ZJQFD4OQ3GLU32DDQNH}

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	2026-05-18T02:10:16.609261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1fbf6e3f94c0a3e3a1b32e9bd0c7069e8e49a3e1283f1fbf285141c91744906

Aliases

arxiv: 0912.3144 · arxiv_version: 0912.3144v1 · doi: 10.48550/arxiv.0912.3144 · pith_short_12: 4H57NY7ZJQFD · pith_short_16: 4H57NY7ZJQFD4OQ3 · pith_short_8: 4H57NY7Z

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/4H57NY7ZJQFD4OQ3GLU32DDQNH \
  | 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: e1fbf6e3f94c0a3e3a1b32e9bd0c7069e8e49a3e1283f1fbf285141c91744906

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "657d0e2ceaae59c08e6ad932e17595d6be345e2c4e5fd8bf88a6c04c2bebf000",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-12-16T14:13:59Z",
    "title_canon_sha256": "45c6a906103d83d02035371be272fa48fcdf28e94fd953d4a65fb27cc0cb3440"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3144",
    "kind": "arxiv",
    "version": 1
  }
}