Pith Number

pith:SZN2PPRL

pith:2012:SZN2PPRLD7DTGKDRVO7AVT4HTC

not attested not anchored not stored refs pending

The optically unbiased GRB host (TOUGH) survey. VI. Radio observations at z<1 and consistency with typical star-forming galaxies

A. J. Levan, A. J. van der Horst, A. Kamble, D. L. Kaplan, D. Malesani, D. Watson, E. Ibar, J. Hjorth, J. M. Castro Cer\'on, J. P. U. Fynbo, J. S. Dunlop, J. Sollerman, K. Wiersema, L. Bonavera, M. A. Garrett, Micha{\l} J. Micha{\l}owski, M. Massardi, N. R. Tanvir, P. Jakobsson, R. F. Reinfrank, S. Pal, T. Kr\"uhler

arxiv:1205.4239 v3 · 2012-05-18 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SZN2PPRLD7DTGKDRVO7AVT4HTC}

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	2026-05-18T03:49:47.010100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

965ba7be2b1fc7332871abbe0acf8798a301e2d97de96a9ae7988651389d9abb

Aliases

arxiv: 1205.4239 · arxiv_version: 1205.4239v3 · doi: 10.48550/arxiv.1205.4239 · pith_short_12: SZN2PPRLD7DT · pith_short_16: SZN2PPRLD7DTGKDR · pith_short_8: SZN2PPRL

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/SZN2PPRLD7DTGKDRVO7AVT4HTC \
  | 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: 965ba7be2b1fc7332871abbe0acf8798a301e2d97de96a9ae7988651389d9abb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "702a8645e1b110da7814868e52e73f1bb03a4142ea7ce7a78c78d7547a4ef69a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-18T20:00:01Z",
    "title_canon_sha256": "89490980fe641c6aeb64f2e546fd6f1f25ad4c460bf37729105318a208f3807f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4239",
    "kind": "arxiv",
    "version": 3
  }
}