Pith Number

pith:R5G7HF3U

pith:2023:R5G7HF3UTFAMJJ7M5OCPOXBHYW

not attested not anchored not stored refs pending

The Progenitors of Superluminous Type Ia Supernovae

Margot Fitz Axen, Peter Nugent

arxiv:2306.07430 v2 · 2023-06-12 · astro-ph.SR · astro-ph.CO · 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{R5G7HF3UTFAMJJ7M5OCPOXBHYW}

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	2026-07-05T06:20:45.459259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f4df397749940c4a7eceb84f75c27c5af189bf4d5931432a1ff6b8f4c52086b

Aliases

arxiv: 2306.07430 · arxiv_version: 2306.07430v2 · doi: 10.48550/arxiv.2306.07430 · pith_short_12: R5G7HF3UTFAM · pith_short_16: R5G7HF3UTFAMJJ7M · pith_short_8: R5G7HF3U

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/R5G7HF3UTFAMJJ7M5OCPOXBHYW \
  | 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: 8f4df397749940c4a7eceb84f75c27c5af189bf4d5931432a1ff6b8f4c52086b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f55ba183fbcd99572bcf14fd0b52cfb527835823f5112ac72dc23fdf9c9dd468",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-06-12T21:16:59Z",
    "title_canon_sha256": "e02e1822f3447a49c80167af188b6afe4c3565efd41909449e47ea2756691b1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.07430",
    "kind": "arxiv",
    "version": 2
  }
}