Pith Number

pith:KKB4B5OA

pith:2003:KKB4B5OAR7VFAB35FX2RVH4YHI

not attested not anchored not stored refs pending

Separating E from B

Emory F. Bunn

arxiv:astro-ph/0306003 v1 · 2003-05-30 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKB4B5OAR7VFAB35FX2RVH4YHI}

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	2026-05-18T01:40:38.792970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5283c0f5c08fea50077d2df51a9f983a2376679a764c3dfa2334816a2015e708

Aliases

arxiv: astro-ph/0306003 · arxiv_version: astro-ph/0306003v1 · doi: 10.48550/arxiv.astro-ph/0306003 · pith_short_12: KKB4B5OAR7VF · pith_short_16: KKB4B5OAR7VFAB35 · pith_short_8: KKB4B5OA

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/KKB4B5OAR7VFAB35FX2RVH4YHI \
  | 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: 5283c0f5c08fea50077d2df51a9f983a2376679a764c3dfa2334816a2015e708

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32d38f5667e5429e15f3d2e8f7cc0a6421950a16fb105d10bd5a95b903268709",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-05-30T20:32:56Z",
    "title_canon_sha256": "cdce15c59fa6794b0afbe9afe4edf0f372c35a7c8a858791e5743bb7c9fe0f81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0306003",
    "kind": "arxiv",
    "version": 1
  }
}