Pith Number

pith:2K3OTKC6

pith:2012:2K3OTKC6OYZKLYHYJCD5BTI2L3

not attested not anchored not stored refs pending

Astrophysics Conducted by the Lunar University Network for Astrophysics Research (LUNAR) and the Center for Lunar Origins (CLOE)

(2) Jet Propulsion Laboratory, (3) Southwest Research Institute, 4), (4) Lunar University Network for Astrophysics Research, 5) ((1) University of Colorado, (5) Center for Lunar Origins), Boulder, California Institute of Technology, Jack O. Burns (1, T. Joseph W. Lazio (2, William Bottke (3

arxiv:1209.2233 v1 · 2012-09-11 · astro-ph.CO · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2K3OTKC6OYZKLYHYJCD5BTI2L3}

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	2026-05-18T03:45:52.523402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2b6e9a85e7632a5e0f84887d0cd1a5ec6c3608adbcfd4b87f024830d1f0a062

Aliases

arxiv: 1209.2233 · arxiv_version: 1209.2233v1 · doi: 10.48550/arxiv.1209.2233 · pith_short_12: 2K3OTKC6OYZK · pith_short_16: 2K3OTKC6OYZKLYHY · pith_short_8: 2K3OTKC6

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/2K3OTKC6OYZKLYHYJCD5BTI2L3 \
  | 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: d2b6e9a85e7632a5e0f84887d0cd1a5ec6c3608adbcfd4b87f024830d1f0a062

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dad3024a15b9c091eff15ec43b66d78833376ee56b35a8f9bd7c5a3900f04b91",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-11T06:17:38Z",
    "title_canon_sha256": "1bb0d9f75d83f433751c65d87b66fa4d3c4ba86b08900e212f40838085b61226"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2233",
    "kind": "arxiv",
    "version": 1
  }
}