Pith Number

pith:4VVEHWOD

pith:2010:4VVEHWODUGMXAFG3BEXSAVW7QF

not attested not anchored not stored refs pending

The XO Planetary Survey Project - Astrophysical False Positives

Christopher J. Burke, Jeff A. Valenti, Kenneth Janes, Pavel Machalek, Peter R. McCullough, Rados{\l}aw Poleski

arxiv:1006.2139 v1 · 2010-06-10 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VVEHWODUGMXAFG3BEXSAVW7QF}

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	2026-05-18T01:09:23.910238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e56a43d9c3a1997014db092f2056df817508c2fd724920bc6cefcdcc875e35f0

Aliases

arxiv: 1006.2139 · arxiv_version: 1006.2139v1 · doi: 10.48550/arxiv.1006.2139 · pith_short_12: 4VVEHWODUGMX · pith_short_16: 4VVEHWODUGMXAFG3 · pith_short_8: 4VVEHWOD

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/4VVEHWODUGMXAFG3BEXSAVW7QF \
  | 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: e56a43d9c3a1997014db092f2056df817508c2fd724920bc6cefcdcc875e35f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83f126dd0da0c29aa0582547836c9b018227775f6d3dc50f66b5780bb7d9cbf5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-06-10T20:00:16Z",
    "title_canon_sha256": "b4f1fd56076b108adf5bedfd73d45990f081c209163fc0f03dc14d00765cb830"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.2139",
    "kind": "arxiv",
    "version": 1
  }
}