Pith Number

pith:7FR7MW64

pith:2018:7FR7MW64YXPA4Q5PG5FZQJHIMK

not attested not anchored not stored refs pending

On the Progenitors of Type Ia Supernovae

Las Vegas, Liverpool John Moores University), Mario Livio (University of Nevada, Paolo Mazzali (Visiting Scholar, The Weizmann Institute of Science, The Weizmann Institute of Science), Visiting Scholar

arxiv:1802.03125 v1 · 2018-02-09 · astro-ph.SR · 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{7FR7MW64YXPA4Q5PG5FZQJHIMK}

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	2026-05-18T00:16:26.514627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f963f65bdcc5de0e43af374b9824e862b5104a735d5bb3b64a072e67646e57cb

Aliases

arxiv: 1802.03125 · arxiv_version: 1802.03125v1 · doi: 10.48550/arxiv.1802.03125 · pith_short_12: 7FR7MW64YXPA · pith_short_16: 7FR7MW64YXPA4Q5P · pith_short_8: 7FR7MW64

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/7FR7MW64YXPA4Q5PG5FZQJHIMK \
  | 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: f963f65bdcc5de0e43af374b9824e862b5104a735d5bb3b64a072e67646e57cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95ca15c7c9b92025eac1fa57955ce00776be2e987b4b8ce4ee6dfa64f2385b02",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-09T04:30:18Z",
    "title_canon_sha256": "22cc2920958687f590f3b66bb7126cf073f1e90afe826b8c71f394c23a18fa81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03125",
    "kind": "arxiv",
    "version": 1
  }
}