Pith Number

pith:BQTVHJZI

pith:2017:BQTVHJZI7V2LAEHNBW72NGKTGM

not attested not anchored not stored refs pending

Two classes of fast-declining type Ia supernovae

B. Leibundgut, J. Spyromilio, S. Blondin, S. Dhawan

arxiv:1702.06585 v1 · 2017-02-20 · 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{BQTVHJZI7V2LAEHNBW72NGKTGM}

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	2026-05-18T00:41:24.771918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c2753a728fd74b010ed0dbfa699533300c011326445157662665c09f190a27e

Aliases

arxiv: 1702.06585 · arxiv_version: 1702.06585v1 · doi: 10.48550/arxiv.1702.06585 · pith_short_12: BQTVHJZI7V2L · pith_short_16: BQTVHJZI7V2LAEHN · pith_short_8: BQTVHJZI

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/BQTVHJZI7V2LAEHNBW72NGKTGM \
  | 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: 0c2753a728fd74b010ed0dbfa699533300c011326445157662665c09f190a27e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec6ff90a0a7f20afeed226588eb1abd04f5a35fa811e126e0d72b6c98923eb6b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-02-20T10:58:13Z",
    "title_canon_sha256": "d306ac1345c1a8b02dfa2ad9db42283fff188e82bcd79937912391768ed4f8a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06585",
    "kind": "arxiv",
    "version": 1
  }
}