Pith Number

pith:C6VBSE4Z

pith:2013:C6VBSE4Z7B2LSE5Z4TIFXKET4N

not attested not anchored not stored refs pending

A metallicity study of 1987A-like supernova host galaxies

A. Pastorello, A. Razza, C. Fransson, E. Gafton, F. Taddia, G. Leloudas, J. Sollerman, M. D. Stritzinger, M. Ergon

arxiv:1308.5545 v1 · 2013-08-26 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C6VBSE4Z7B2LSE5Z4TIFXKET4N}

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	2026-05-18T02:44:32.072505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17aa191399f874b913b9e4d05ba893e378ab6a4c752e0b68aab1de266658b1dd

Aliases

arxiv: 1308.5545 · arxiv_version: 1308.5545v1 · doi: 10.48550/arxiv.1308.5545 · pith_short_12: C6VBSE4Z7B2L · pith_short_16: C6VBSE4Z7B2LSE5Z · pith_short_8: C6VBSE4Z

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/C6VBSE4Z7B2LSE5Z4TIFXKET4N \
  | 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: 17aa191399f874b913b9e4d05ba893e378ab6a4c752e0b68aab1de266658b1dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "080a4a18b88bdf67720ac200e0ac5d1d26454fd44bc50153b954238f736b9339",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-26T11:19:46Z",
    "title_canon_sha256": "745b642b2b90b34fe17d9d9549bcde6d066d726d42aafc5ef94012fdc55aee48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5545",
    "kind": "arxiv",
    "version": 1
  }
}