Pith Number

pith:BBIKJVSV

pith:2022:BBIKJVSVUZMCRC72UT44FKSETW

not attested not anchored not stored refs pending

Early Lightcurves of Type Ia Supernovae are Consistent with Nondegenerate Progenitor Companions

C. McCully, C. Pellegrino, D. A. Howell, D. Hiramatsu, D. J. Sand, D. Reichart, G. Hosseinzadeh, J. Burke, J. E. Andrews, J. Haislip, K. A. Bostroem, L. Tartaglia, M. J. Lundquist, P. J. Brown, R. C. Amaro, S. Valenti, S. Yang, V. Kouprianov, Y. Dong

arxiv:2207.07681 v1 · 2022-07-15 · 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{BBIKJVSVUZMCRC72UT44FKSETW}

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	2026-07-05T04:40:35.751029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0850a4d655a658288bfaa4f9c2aa449d9fbac1df001d7e8a05c4ce2ba38ebc80

Aliases

arxiv: 2207.07681 · arxiv_version: 2207.07681v1 · doi: 10.48550/arxiv.2207.07681 · pith_short_12: BBIKJVSVUZMC · pith_short_16: BBIKJVSVUZMCRC72 · pith_short_8: BBIKJVSV

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/BBIKJVSVUZMCRC72UT44FKSETW \
  | 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: 0850a4d655a658288bfaa4f9c2aa449d9fbac1df001d7e8a05c4ce2ba38ebc80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c18f91b60b4b9fece402ba4cca88e115dc6cf8da3fcb5f60d4f6e3692b610506",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-07-15T18:02:30Z",
    "title_canon_sha256": "fd345045a1da9c47da4457ae3516b622cb383f5193970e18b40e048134efffba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.07681",
    "kind": "arxiv",
    "version": 1
  }
}