Pith Number

pith:IRIETYXV

pith:2017:IRIETYXVWFKKZASDH4FE7NRIA2

not attested not anchored not stored refs pending

Multidimensional Models of Type Ia Supernova Nebular Spectra: Strong Emission Lines from Stripped Companion Gas Rule Out Classic Single Degenerate Systems

Daniel Kasen, Janos Botyanszki, Tomasz Plewa

arxiv:1712.03274 v2 · 2017-12-08 · 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{IRIETYXVWFKKZASDH4FE7NRIA2}

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	2026-05-18T00:22:02.549291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

445049e2f5b154ac82433f0a4fb62806aa98a146c533b499e44bd7d9cc396872

Aliases

arxiv: 1712.03274 · arxiv_version: 1712.03274v2 · doi: 10.48550/arxiv.1712.03274 · pith_short_12: IRIETYXVWFKK · pith_short_16: IRIETYXVWFKKZASD · pith_short_8: IRIETYXV

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/IRIETYXVWFKKZASDH4FE7NRIA2 \
  | 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: 445049e2f5b154ac82433f0a4fb62806aa98a146c533b499e44bd7d9cc396872

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b8bdf2902ed65983896dc881d5178f05160e302c17bdeb45c0c1adfa4c26df3",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-08T20:38:22Z",
    "title_canon_sha256": "fb698190aef51792ae6b2297f75fd9e81aa6b29df67d4d306f2d096eb713df4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03274",
    "kind": "arxiv",
    "version": 2
  }
}