Pith Number

pith:DXBFS5OJ

pith:2012:DXBFS5OJGSL4ZBRF474EPEPWKN

not attested not anchored not stored refs pending

Studying the Diversity of Type Ia Supernovae in the Ultraviolet: Comparing Models with Observations

A. Gal-Yam, D. A. Howell, E. S. Walker, M. Sullivan, P. A. Mazzali, R. S. Ellis, S. Hachinger

arxiv:1208.4130 v1 · 2012-08-20 · astro-ph.CO · 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{DXBFS5OJGSL4ZBRF474EPEPWKN}

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	2026-05-18T01:55:08.998535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dc25975c93497cc8625e7f84791f653480bddc40a15bb25423eff660fd23d8a

Aliases

arxiv: 1208.4130 · arxiv_version: 1208.4130v1 · doi: 10.48550/arxiv.1208.4130 · pith_short_12: DXBFS5OJGSL4 · pith_short_16: DXBFS5OJGSL4ZBRF · pith_short_8: DXBFS5OJ

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/DXBFS5OJGSL4ZBRF474EPEPWKN \
  | 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: 1dc25975c93497cc8625e7f84791f653480bddc40a15bb25423eff660fd23d8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2080dc0315adbc7568a47b1d6fcb4434f33872d19be681df0e31d9b4c6b48af3",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-20T22:07:00Z",
    "title_canon_sha256": "7532fc4ac87872b5026324f76cfd98c493b0e48ef0e2c6a1627f1aa2784bd949"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4130",
    "kind": "arxiv",
    "version": 1
  }
}