Pith Number

pith:3TDUOAG6

pith:2009:3TDUOAG66PYBCY324DGC5LAPOF

not attested not anchored not stored refs pending

The radial distribution of core-collapse supernovae in spiral host galaxies

A. A. Hakobyan, A. R. Petrosian, D. Kunth, G. A. Mamon, M. Turatto

arxiv:0910.1801 v2 · 2009-10-09 · 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{3TDUOAG66PYBCY324DGC5LAPOF}

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	2026-07-04T17:21:37.449886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcc74700def3f011637ae0cc2eac0f7163fd9bb39154f04a200945333944d224

Aliases

arxiv: 0910.1801 · arxiv_version: 0910.1801v2 · doi: 10.48550/arxiv.0910.1801 · pith_short_12: 3TDUOAG66PYB · pith_short_16: 3TDUOAG66PYBCY32 · pith_short_8: 3TDUOAG6

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/3TDUOAG66PYBCY324DGC5LAPOF \
  | 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: dcc74700def3f011637ae0cc2eac0f7163fd9bb39154f04a200945333944d224

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffcd2afc75c07529361bc6725c4854cee5b8addfe1826fb5ebb9abac66a02384",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-09T17:48:59Z",
    "title_canon_sha256": "c07c603d69eaa247dd9c3dc189ce3a1b7d97363a63510fa4b4158f66676d7204"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1801",
    "kind": "arxiv",
    "version": 2
  }
}