Pith Number

pith:2DFDGK2V

pith:2010:2DFDGK2VYM7Q4WYYC2M43AUEOT

not attested not anchored not stored refs pending

The California Planet Survey I. Four New Giant Exoplanets

Andrew W. Howard, David Bernat, Debra A. Fischer, Geoffrey W. Marcy, Gregory W. Henry, Howard Isaacson, Jason T. Wright, Jay Anderson, Jeff A. Valenti, John Asher Johnson, Kathryn M. G. Peek, Kevin Apps, Michael Endl, Nikolai E. Piskunov, William D. Cochran

arxiv:1003.3488 v1 · 2010-03-17 · 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{2DFDGK2VYM7Q4WYYC2M43AUEOT}

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	2026-05-18T02:08:26.135182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0ca332b55c33f0e5b181699cd828474c75fcf3842aade7115bf648c851d48ef

Aliases

arxiv: 1003.3488 · arxiv_version: 1003.3488v1 · doi: 10.48550/arxiv.1003.3488 · pith_short_12: 2DFDGK2VYM7Q · pith_short_16: 2DFDGK2VYM7Q4WYY · pith_short_8: 2DFDGK2V

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/2DFDGK2VYM7Q4WYYC2M43AUEOT \
  | 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: d0ca332b55c33f0e5b181699cd828474c75fcf3842aade7115bf648c851d48ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "983993f0e5cb30646123ae6110800c2ab8e263f5305e181ed627a9e4627bb3c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-03-17T22:48:34Z",
    "title_canon_sha256": "7c3d54b4dbb2bbc40748616762ee789731a93a9f127f3c2d000a4c925bd18d92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3488",
    "kind": "arxiv",
    "version": 1
  }
}