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Pith Number

pith:VCIT7COI

pith:2011:VCIT7COI64ULM5HELFF63MBESC
not attested not anchored not stored refs pending

The Core Composition of a White Dwarf in a Close Double Degenerate System

A. Kawka, S. Vennes

arxiv:1112.4925 v1 · 2011-12-21 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VCIT7COI64ULM5HELFF63MBESC}

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 2026-05-18T01:59:04.146402Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a8913f89c8f728b674e4594bedb02490aaa855a91ceeec450de407191d774b6e

Aliases

arxiv: 1112.4925 · arxiv_version: 1112.4925v1 · doi: 10.48550/arxiv.1112.4925 · pith_short_12: VCIT7COI64UL · pith_short_16: VCIT7COI64ULM5HE · pith_short_8: VCIT7COI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VCIT7COI64ULM5HELFF63MBESC \
  | 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: a8913f89c8f728b674e4594bedb02490aaa855a91ceeec450de407191d774b6e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "dde719a2e7f9072901540d6f56d2c79816b64c5a3dab087b7bd50442e37c4d92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-21T04:50:46Z",
    "title_canon_sha256": "2457bf7f3c4740bd030b41a95de86ac622f4fd9811ddd0a00b61c25913b32ef5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4925",
    "kind": "arxiv",
    "version": 1
  }
}