Pith Number

pith:WBRXRNQ2

pith:2013:WBRXRNQ2UQDD57M7ZFPGGQYZM7

not attested not anchored not stored refs pending

Upper limits on bolometric luminosities of three type Ia supernova progenitors - New results in the ongoing Chandra archival search for type Ia supernova progenitors

G. Nelemans, M.T.B. Nielsen, R. Voss

arxiv:1308.5821 v1 · 2013-08-27 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WBRXRNQ2UQDD57M7ZFPGGQYZM7}

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	2026-05-18T03:14:51.061597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b06378b61aa4063efd9fc95e63431967d988f9ed9e1622dbf773c98c4ea82b93

Aliases

arxiv: 1308.5821 · arxiv_version: 1308.5821v1 · doi: 10.48550/arxiv.1308.5821 · pith_short_12: WBRXRNQ2UQDD · pith_short_16: WBRXRNQ2UQDD57M7 · pith_short_8: WBRXRNQ2

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/WBRXRNQ2UQDD57M7ZFPGGQYZM7 \
  | 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: b06378b61aa4063efd9fc95e63431967d988f9ed9e1622dbf773c98c4ea82b93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6106fa92b7047ff8b55714d8aa1953b10322ebcfabfdf848e40af32945b10938",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-08-27T10:52:56Z",
    "title_canon_sha256": "85657123165ad95c2e8f351fb2c126f9a56eed6e9bf1f314dcdeb57bef222d33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5821",
    "kind": "arxiv",
    "version": 1
  }
}