Pith Number

pith:EULCK4CN

pith:2016:EULCK4CNX2TJUCHBWFLBFJT4XQ

not attested not anchored not stored refs pending

The peculiar Type Ia supernova iPTF14atg: Chandrasekhar-mass explosion or violent merger?

A. Goobar, C. Fransson, C. Fremling, F. K. Roepke, F. Taddia, G. Leloudas, I. R. Seitenzahl, J. Sollerman, M. Kromer, R. Amanullah, R. Pakmor, S. A. Sim, S. B. Cenko, S. Taubenberger

arxiv:1604.05730 v1 · 2016-04-19 · 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{EULCK4CNX2TJUCHBWFLBFJT4XQ}

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	2026-05-18T01:16:12.653279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

251625704dbea69a08e1b15612a67cbc1972a7194fe1505df0169af3df896a75

Aliases

arxiv: 1604.05730 · arxiv_version: 1604.05730v1 · doi: 10.48550/arxiv.1604.05730 · pith_short_12: EULCK4CNX2TJ · pith_short_16: EULCK4CNX2TJUCHB · pith_short_8: EULCK4CN

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/EULCK4CNX2TJUCHBWFLBFJT4XQ \
  | 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: 251625704dbea69a08e1b15612a67cbc1972a7194fe1505df0169af3df896a75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d434698f9f028b841788ba75456f999660b2bdcd02da0d6ed788a16ec7813ac4",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-04-19T20:02:58Z",
    "title_canon_sha256": "b87c5e7698d4f72155db25b8ef20baeeb630737e8b023cf3e407f7d9009969e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05730",
    "kind": "arxiv",
    "version": 1
  }
}