Pith Number

pith:H7VUGAEY

pith:2016:H7VUGAEYIHTWTLYGABNA3GTVKW

not attested not anchored not stored refs pending

Asphericity, Interaction, and Dust in the Type II-P/II-L Supernova 2013ej in Messier 74

Alexei V. Filippenko, Isaac Shivvers, Joel Johansson, Jon C. Mauerhan, Lifan Wang, Maokai Hu, Melissa L. Graham, Ori D. Fox, Schuyler D. Van Dyk

arxiv:1611.07930 v2 · 2016-11-23 · 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{H7VUGAEYIHTWTLYGABNA3GTVKW}

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	2026-05-18T00:52:37.685676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3feb43009841e769af06005a0d9a755586e70f122ca5b96450ce183c7fb8ddb4

Aliases

arxiv: 1611.07930 · arxiv_version: 1611.07930v2 · doi: 10.48550/arxiv.1611.07930 · pith_short_12: H7VUGAEYIHTW · pith_short_16: H7VUGAEYIHTWTLYG · pith_short_8: H7VUGAEY

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/H7VUGAEYIHTWTLYGABNA3GTVKW \
  | 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: 3feb43009841e769af06005a0d9a755586e70f122ca5b96450ce183c7fb8ddb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "897a5c25f1f2bf4ab3fc2a9b743ee7b1d20288fb31c970a46693df1a13921333",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-11-23T19:02:24Z",
    "title_canon_sha256": "c776fb8ef65c6743d81d6552d2cad24ffd901cf3e9be57c548bae3f3c7fd60e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.07930",
    "kind": "arxiv",
    "version": 2
  }
}