Pith Number

pith:IXZOVU6I

pith:2014:IXZOVU6ICDAGCDI7YVOKXOCJVK

not attested not anchored not stored refs pending

Estimating the First-Light Time of the Type Ia Supernova 2014J in M82

Alexei V. Filippenko, Isaac Shivvers, Jon C. Mauerhan, Kelsey I. Clubb, Koichi Itagaki, Melissa L. Graham, Ori D. Fox, Patrick L. Kelly, Weikang Zheng

arxiv:1401.7968 v2 · 2014-01-30 · astro-ph.HE · 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{IXZOVU6ICDAGCDI7YVOKXOCJVK}

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	2026-05-18T01:44:54.362085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45f2ead3c810c0610d1fc55cabb849aa87a331ff9dde2bd1b3b5c39f0b5bc0e9

Aliases

arxiv: 1401.7968 · arxiv_version: 1401.7968v2 · doi: 10.48550/arxiv.1401.7968 · pith_short_12: IXZOVU6ICDAG · pith_short_16: IXZOVU6ICDAGCDI7 · pith_short_8: IXZOVU6I

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/IXZOVU6ICDAGCDI7YVOKXOCJVK \
  | 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: 45f2ead3c810c0610d1fc55cabb849aa87a331ff9dde2bd1b3b5c39f0b5bc0e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bee30f7b8b0e99ab1c5d263b5a4244104c56c812d88872f02730e2cc62857c2",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-01-30T19:56:14Z",
    "title_canon_sha256": "ec1e31202969a866db610bc672edba77ba1153b356be66fed8cb5f5389ab0f67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7968",
    "kind": "arxiv",
    "version": 2
  }
}