Pith Number

pith:C4Y5V5V7

pith:2013:C4Y5V5V7S6JZRUD66AYHH4APDM

not attested not anchored not stored refs pending

Carnegie Supernova Project: Observations of Type IIn supernovae

A. Campillay, B. F. Madore, C. Contreras, C. R. Burns, E. Heinrich-Josties, F. Taddia, G. Folatelli, J. P. Anderson, J. Sollerman, L. Boldt, M. D. Stritzinger, M. Hamuy, M. M. Phillips, N. B. Suntzeff, N. Morrell, S. Castell\'on, S. E. Persson, W. Krzeminski, W. L. Freedman

arxiv:1304.3038 v2 · 2013-04-10 · 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{C4Y5V5V7S6JZRUD66AYHH4APDM}

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	2026-05-18T01:50:40.304043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1731daf6bf979398d07ef03073f00f1b0658b1cdd24a88c7a88f51cbaa4bdc8d

Aliases

arxiv: 1304.3038 · arxiv_version: 1304.3038v2 · doi: 10.48550/arxiv.1304.3038 · pith_short_12: C4Y5V5V7S6JZ · pith_short_16: C4Y5V5V7S6JZRUD6 · pith_short_8: C4Y5V5V7

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/C4Y5V5V7S6JZRUD66AYHH4APDM \
  | 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: 1731daf6bf979398d07ef03073f00f1b0658b1cdd24a88c7a88f51cbaa4bdc8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db8d03aa6fc8b8cc70529c03b4f1466234d92667a4859bb2109491498b6912af",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-10T18:05:25Z",
    "title_canon_sha256": "7f239b6e556bc87e7ed24f1e0e56107d3300a305194e9eb87689aca87bad7afa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3038",
    "kind": "arxiv",
    "version": 2
  }
}