Pith Number

pith:G5JISHJB

pith:2023:G5JISHJBFHCNCROBATHCYQWDK2

not attested not anchored not stored refs pending

The SN 2023ixf Progenitor in M101: II. Properties

Alexei V. Filippenko, Andrew W. Stephens, Erik Petigura, Howard Isaacson, Jennifer E. Andrews, Judah Van Zandt, Monika Soraisam, Peter Scicluna, Sang-Hyun Chun, Schuyler D. Van Dyk, Steve B. Howell, Sundar Srinivasan, Tamas Szalai, Thomas Matheson, Weikang Zheng

arxiv:2308.14844 v2 · 2023-08-28 · astro-ph.SR · astro-ph.GA · 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{G5JISHJBFHCNCROBATHCYQWDK2}

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	2026-07-05T08:11:19.825752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3752891d2129c4d145c104ce2c42c356ae2829e8bfc797146a9bfbbc50507740

Aliases

arxiv: 2308.14844 · arxiv_version: 2308.14844v2 · doi: 10.48550/arxiv.2308.14844 · pith_short_12: G5JISHJBFHCN · pith_short_16: G5JISHJBFHCNCROB · pith_short_8: G5JISHJB

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/G5JISHJBFHCNCROBATHCYQWDK2 \
  | 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: 3752891d2129c4d145c104ce2c42c356ae2829e8bfc797146a9bfbbc50507740

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a94dff52a4a6d433a21e1ae459e348e0bfd86e86d4681f31bce8752b37b54025",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-08-28T19:04:23Z",
    "title_canon_sha256": "0aaafffa1e0eefc7452254fc3a9d08c8f9cef0695a16074af2e4109648100cd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.14844",
    "kind": "arxiv",
    "version": 2
  }
}