Pith Number

pith:XTQHOXNQ

pith:2014:XTQHOXNQ62RLIPTBASMHYHRK7S

not attested not anchored not stored refs pending

Constraints on the Progenitor System of the Type Ia Supernova 2014J from Pre-Explosion Hubble Space Telescope Imaging

Alexei V. Filippenko, Brad E. Tucker, Gail Schaefer, Ken J. Shen, Lisa Prato, Melissa L. Graham, Ori D. Fox, Patrick L. Kelly, S. Bradley Cenko, Weikang Zheng

arxiv:1403.4250 v2 · 2014-03-17 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XTQHOXNQ62RLIPTBASMHYHRK7S}

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	2026-05-18T01:44:00.311434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bce0775db0f6a2b43e6104987c1e2afc93f7e364275f61e65ffcb49e434f937e

Aliases

arxiv: 1403.4250 · arxiv_version: 1403.4250v2 · doi: 10.48550/arxiv.1403.4250 · pith_short_12: XTQHOXNQ62RL · pith_short_16: XTQHOXNQ62RLIPTB · pith_short_8: XTQHOXNQ

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/XTQHOXNQ62RLIPTBASMHYHRK7S \
  | 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: bce0775db0f6a2b43e6104987c1e2afc93f7e364275f61e65ffcb49e434f937e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86e462a14ce8a892b881e88a1057cf9faffc2be4909bcf7eb976ac0627678723",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-03-17T20:00:26Z",
    "title_canon_sha256": "527a1ef00673164effa4f1b03d290c3fb3d04c75f306e8c987963abb6d53766c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4250",
    "kind": "arxiv",
    "version": 2
  }
}