Pith Number

pith:32EI5M42

pith:2015:32EI5M42RF4F7JNG57YMMREH3N

not attested not anchored not stored refs pending

A systematic study of carbon-oxygen white dwarf mergers: mass combinations for Type Ia supernovae

Ataru Tanikawa, Izumi Hachisu, Keiichi Maeda, Ken'ichi Nomoto, Naohito Nakasato, Yushi Sato

arxiv:1505.01646 v2 · 2015-05-07 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{32EI5M42RF4F7JNG57YMMREH3N}

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	2026-05-18T01:36:53.618819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de888eb39a89785fa5a6eff0c64487db695300adb007ede9c299ec4b351e1c30

Aliases

arxiv: 1505.01646 · arxiv_version: 1505.01646v2 · doi: 10.48550/arxiv.1505.01646 · pith_short_12: 32EI5M42RF4F · pith_short_16: 32EI5M42RF4F7JNG · pith_short_8: 32EI5M42

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/32EI5M42RF4F7JNG57YMMREH3N \
  | 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: de888eb39a89785fa5a6eff0c64487db695300adb007ede9c299ec4b351e1c30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6999483959fe47c6cbf039c29df5067ea7ed25782e36b91be31616ea0db7bb50",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-05-07T10:06:25Z",
    "title_canon_sha256": "67fc0b9350752ef7731a52b3fe004828c92c49579c48b42f5ce4b952696b8780"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01646",
    "kind": "arxiv",
    "version": 2
  }
}