Pith Number

pith:FVX47QF7

pith:2008:FVX47QF72COBDGRFJCJAWHYZX2

not attested not anchored not stored refs pending

Enrichment of lead (Pb) in the Galactic halo

Satoshi Honda, Wako Aoki

arxiv:0804.0952 v1 · 2008-04-07 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FVX47QF72COBDGRFJCJAWHYZX2}

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	2026-05-18T02:15:53.939229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d6fcfc0bfd09c119a2548920b1f19beab0eaec03b9a5a75fb21cda78a5ce100

Aliases

arxiv: 0804.0952 · arxiv_version: 0804.0952v1 · doi: 10.48550/arxiv.0804.0952 · pith_short_12: FVX47QF72COB · pith_short_16: FVX47QF72COBDGRF · pith_short_8: FVX47QF7

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/FVX47QF72COBDGRFJCJAWHYZX2 \
  | 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: 2d6fcfc0bfd09c119a2548920b1f19beab0eaec03b9a5a75fb21cda78a5ce100

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2db90a39d254ab2ab06d84995cac19df9a97a230cc58cf9416e8aac4f42c813b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-04-07T03:24:20Z",
    "title_canon_sha256": "4cedca5a3fddac880295898d2debef4ad5ad0fdb3bdbc4b086138b89d2ab1ec4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.0952",
    "kind": "arxiv",
    "version": 1
  }
}