Pith Number

pith:NEM4YN4C

pith:2003:NEM4YN4CPPYLYII2XR4VIHVWUM

not attested not anchored not stored refs pending

A new seismic analysis of Alpha Centauri

A. Noels, A. Thoul, Belgium), B. Vatovez, J. Montalban (University of Liege, M. -A. Dupret, M. Briquet, R. Scuflaire

arxiv:astro-ph/0303467 v1 · 2003-03-20 · 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{NEM4YN4CPPYLYII2XR4VIHVWUM}

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	2026-07-04T16:36:42.344793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6919cc37827bf0bc211abc79541eb6a334e47b4ebb3eda0ace9cc17c52979dc5

Aliases

arxiv: astro-ph/0303467 · arxiv_version: astro-ph/0303467v1 · doi: 10.48550/arxiv.astro-ph/0303467 · pith_short_12: NEM4YN4CPPYL · pith_short_16: NEM4YN4CPPYLYII2 · pith_short_8: NEM4YN4C

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/NEM4YN4CPPYLYII2XR4VIHVWUM \
  | 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: 6919cc37827bf0bc211abc79541eb6a334e47b4ebb3eda0ace9cc17c52979dc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5758c6bfcb5965f8720b33c0fc627da0627361389abbcfcd7fd6a108f36ccf3e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-20T15:19:34Z",
    "title_canon_sha256": "10d9732845ad55317396c67253468cfd500d3da09b371e50e70e1d98c5348eb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303467",
    "kind": "arxiv",
    "version": 1
  }
}