Pith Number

pith:4T3ZMWJZ

pith:2003:4T3ZMWJZ4U5BFWXHRYYYXLZW6H

not attested not anchored not stored refs pending

Spatially-resolved spectrophotometric analysis and modelling of the Superantennae

Alberto Franceschini, Alessandro Bressan, Claudio Pernechele, Jacopo Fritz, Stefano Berta

arxiv:astro-ph/0303259 v1 · 2003-03-12 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4T3ZMWJZ4U5BFWXHRYYYXLZW6H}

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	2026-07-04T16:36:38.791673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4f7965939e53a12dae78e318baf36f1d31a6f7f7c12d3e05755a2d095b2d40a

Aliases

arxiv: astro-ph/0303259 · arxiv_version: astro-ph/0303259v1 · doi: 10.48550/arxiv.astro-ph/0303259 · pith_short_12: 4T3ZMWJZ4U5B · pith_short_16: 4T3ZMWJZ4U5BFWXH · pith_short_8: 4T3ZMWJZ

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/4T3ZMWJZ4U5BFWXHRYYYXLZW6H \
  | 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: e4f7965939e53a12dae78e318baf36f1d31a6f7f7c12d3e05755a2d095b2d40a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "150da1ad8f113d6f67e3e1d1c3da8769c645fc4323c7590c53ce2fc2b662fdf6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-12T15:33:15Z",
    "title_canon_sha256": "c2efd7560454dfb8a1ad0d3200280fef9a7acf708b0d668d57db8daf8a5e92bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303259",
    "kind": "arxiv",
    "version": 1
  }
}