Pith Number

pith:O63B2UAV

pith:2013:O63B2UAVP4MBF47IXRCLMVI3GS

not attested not anchored not stored refs pending

Impact of asteroseismology on improving stellar ages determination

Yveline Lebreton

arxiv:1312.3140 v1 · 2013-12-11 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O63B2UAVP4MBF47IXRCLMVI3GS}

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	2026-05-18T01:45:51.717474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77b61d50157f1812f3e8bc44b6551b3495ce4ddd7d486c96197199b0ede0cdd1

Aliases

arxiv: 1312.3140 · arxiv_version: 1312.3140v1 · doi: 10.48550/arxiv.1312.3140 · pith_short_12: O63B2UAVP4MB · pith_short_16: O63B2UAVP4MBF47I · pith_short_8: O63B2UAV

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/O63B2UAVP4MBF47IXRCLMVI3GS \
  | 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: 77b61d50157f1812f3e8bc44b6551b3495ce4ddd7d486c96197199b0ede0cdd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62b194e8bda3dd326ebf3fda5428ce458ca52db0fe2421eb4442af8f23e57bef",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-12-11T12:38:26Z",
    "title_canon_sha256": "a7fdb019e3e3550d7b030142cbab4acb9db0252110ae0907a95e59d2f21b6574"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3140",
    "kind": "arxiv",
    "version": 1
  }
}