Pith Number

pith:KDC4X3LC

pith:2017:KDC4X3LCV4CHCZRMS664LLGEVS

not attested not anchored not stored refs pending

The double-degenerate model for the progenitors of type Ia supernovae

Bo Wang, Dongdong Liu, Zhanwen Han

arxiv:1710.03961 v1 · 2017-10-11 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KDC4X3LCV4CHCZRMS664LLGEVS}

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	2026-05-18T00:21:56.819130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50c5cbed62af0471662c97bdc5acc4ac84f5695401480dd61eeb58a80c5ddd27

Aliases

arxiv: 1710.03961 · arxiv_version: 1710.03961v1 · doi: 10.48550/arxiv.1710.03961 · pith_short_12: KDC4X3LCV4CH · pith_short_16: KDC4X3LCV4CHCZRM · pith_short_8: KDC4X3LC

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/KDC4X3LCV4CHCZRMS664LLGEVS \
  | 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: 50c5cbed62af0471662c97bdc5acc4ac84f5695401480dd61eeb58a80c5ddd27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2188978e3eacb2e7bf63faa9fb4fb796e6004d928640e875a52b9ade0969458f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-10-11T08:37:58Z",
    "title_canon_sha256": "502adda09cab4d98c9b5dc2ddc9f827a8b53c3470374281514656c4f317b36b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.03961",
    "kind": "arxiv",
    "version": 1
  }
}