Pith Number

pith:XZAF3JDA

pith:2012:XZAF3JDACFS3BFDNU2TWNGIZ5O

not attested not anchored not stored refs pending

The Optical SN 2012bz Associated with the Long GRB 120422A

A. J. Castro-Tirado, A. Melandri, A. V. Filippenko, C. Guidorzi, C. Kouveliotou, D. Bersier, D. Fugazza, E. Palazzi, E. Pian, E. S. Walker, F. Bufano, F. Patat, G. Chincarini, G. Ghirlanda, G. Ghisellini, G. Marconi, G. Tagliaferri, I. Saviane, J. Deng, K. Maeda, K. Nomoto, L. A. Antonelli, L. Amati, M. Della Valle, M. G. Bernardini, M. Tanaka, N. Masetti, P. A. Mazzali, P. D'Avanzo, P. Ferrero, R. L. C. Starling, R. Salvaterra, S. Campana, S. Covino, S. D. Vergani, S. Piranomonte, V. D'Elia

arxiv:1206.5532 v3 · 2012-06-24 · astro-ph.HE · 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{XZAF3JDACFS3BFDNU2TWNGIZ5O}

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	2026-05-18T01:56:42.610726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be405da4601165b0946da6a7669919ebb71689bc32a74a4f6edbedaf3369e850

Aliases

arxiv: 1206.5532 · arxiv_version: 1206.5532v3 · doi: 10.48550/arxiv.1206.5532 · pith_short_12: XZAF3JDACFS3 · pith_short_16: XZAF3JDACFS3BFDN · pith_short_8: XZAF3JDA

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/XZAF3JDACFS3BFDNU2TWNGIZ5O \
  | 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: be405da4601165b0946da6a7669919ebb71689bc32a74a4f6edbedaf3369e850

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b16c29bbb02aaf5dc4550f14b7a9c4d6ddb01f54c96ee448ba1d1f189fc9df78",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-06-24T19:08:05Z",
    "title_canon_sha256": "14b1be1970e046888c485986b132c26546ea0c196a5fd9faa1fc1eee554901ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5532",
    "kind": "arxiv",
    "version": 3
  }
}