Pith Number

pith:A2YXG2RX

pith:2012:A2YXG2RXDUZLTTDTIY2DCTXMGE

not attested not anchored not stored refs pending

From Disks to Planets

Andrew N. Youdin, Scott J. Kenyon (Smithsonian Astrophysical Observatory)

arxiv:1206.0738 v1 · 2012-06-04 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A2YXG2RXDUZLTTDTIY2DCTXMGE}

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	2026-05-18T01:57:07.994605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06b1736a371d32b9cc734634314eec3111b031887f2dd5c900d560a29f0545c9

Aliases

arxiv: 1206.0738 · arxiv_version: 1206.0738v1 · doi: 10.48550/arxiv.1206.0738 · pith_short_12: A2YXG2RXDUZL · pith_short_16: A2YXG2RXDUZLTTDT · pith_short_8: A2YXG2RX

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/A2YXG2RXDUZLTTDTIY2DCTXMGE \
  | 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: 06b1736a371d32b9cc734634314eec3111b031887f2dd5c900d560a29f0545c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e64587bd748c1209b01d3c40a6648a617afea0626f008ffd4d3b1bd6782aa14b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-06-04T20:00:02Z",
    "title_canon_sha256": "1a339bdf5d9b3fd6b8d85e8a53dc8eddb016b862234d35c206045dbefba6eaf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.0738",
    "kind": "arxiv",
    "version": 1
  }
}