Pith Number

pith:ELZ6RN4Y

pith:2013:ELZ6RN4Y66ML56PW3GEUGQJ25Z

not attested not anchored not stored refs pending

Dive into the heart of red giant stars to better understand our Galaxy

N. Lagarde

arxiv:1312.4474 v1 · 2013-12-16 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ELZ6RN4Y66ML56PW3GEUGQJ25Z}

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	2026-05-18T03:04:24.655099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22f3e8b798f798bef9f6d98943413aee76f338c0c3675bad4da93e96c6081d82

Aliases

arxiv: 1312.4474 · arxiv_version: 1312.4474v1 · doi: 10.48550/arxiv.1312.4474 · pith_short_12: ELZ6RN4Y66ML · pith_short_16: ELZ6RN4Y66ML56PW · pith_short_8: ELZ6RN4Y

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/ELZ6RN4Y66ML56PW3GEUGQJ25Z \
  | 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: 22f3e8b798f798bef9f6d98943413aee76f338c0c3675bad4da93e96c6081d82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "784c9e5147bca2f82bf59e0ec6f5bfe93a53df413bba6da6b62ed1ef92dc59b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-12-16T19:27:35Z",
    "title_canon_sha256": "1afe3ae4ccc71e7d5a317160bde424508e196043187087d951d13324d06bd4ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4474",
    "kind": "arxiv",
    "version": 1
  }
}