pith. sign in
Pith Number

pith:FRSCPZVD

pith:2012:FRSCPZVDMAYZ37HGSTFMS7BNZP
not attested not anchored not stored refs pending

Some constraints on the lower mass limit for double-degenerate progenitors of Type Ia supernovae

Jeffery C. Simon, Xianfei Zhang, Xuefei Chen, Zhanwen Han

arxiv:1207.2519 v1 · 2012-07-11 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FRSCPZVDMAYZ37HGSTFMS7BNZP}

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 2026-05-18T01:56:25.569337Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2c6427e6a360319dfce694cac97c2dcbf7b14cdfe1afa0281bd75b49581f20bc

Aliases

arxiv: 1207.2519 · arxiv_version: 1207.2519v1 · doi: 10.48550/arxiv.1207.2519 · pith_short_12: FRSCPZVDMAYZ · pith_short_16: FRSCPZVDMAYZ37HG · pith_short_8: FRSCPZVD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FRSCPZVDMAYZ37HGSTFMS7BNZP \
  | 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: 2c6427e6a360319dfce694cac97c2dcbf7b14cdfe1afa0281bd75b49581f20bc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "36c719aa25baeda1dfdc0757be760e2c82d8f078e200828aeb726f332a78e6c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-07-11T01:34:44Z",
    "title_canon_sha256": "84fb7541bcdc281f3c4f92a16f0991e6f3532c01c28cf64b03879abaeff562d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2519",
    "kind": "arxiv",
    "version": 1
  }
}