Pith Number

pith:IMCYU3JT

pith:2010:IMCYU3JTQXE3Z2KXYOB625ZIFA

not attested not anchored not stored refs pending

Broad Brush Cosmos

Chris L. Carilli

arxiv:1007.4017 v1 · 2010-07-22 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IMCYU3JTQXE3Z2KXYOB625ZIFA}

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	2026-05-18T02:06:11.334843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43058a6d3385c9bce957c383ed772828078b35a99a26d765f0544f2ae272317d

Aliases

arxiv: 1007.4017 · arxiv_version: 1007.4017v1 · doi: 10.48550/arxiv.1007.4017 · pith_short_12: IMCYU3JTQXE3 · pith_short_16: IMCYU3JTQXE3Z2KX · pith_short_8: IMCYU3JT

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/IMCYU3JTQXE3Z2KXYOB625ZIFA \
  | 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: 43058a6d3385c9bce957c383ed772828078b35a99a26d765f0544f2ae272317d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5d5876a5193d7c7b86d51d8db30eaf39e5f526859805f75b79ac281d8bd9b98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-07-22T22:03:00Z",
    "title_canon_sha256": "829fc2da5dc7b00c1e77ecc459c8b92902f73ebc12201a5217382e79577f9861"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.4017",
    "kind": "arxiv",
    "version": 1
  }
}