Pith Number

pith:M5JZCHP5

pith:2009:M5JZCHP5RYYUNANB5LOQS7GRYJ

not attested not anchored not stored refs pending

GRB 090423 at a redshift of z~8.1

A. Fernandez-Soto, C.B. Markwardt, C.C. Thoene, C. Guidorzi, C. Pagani, D. Fugazza, D. Guetta, D.M. Palmer, E.E. Fenimore, E. Maiorano, E. Molinari, E. Palazzi, E. Pian, F.E. Marshall, F. Fiore, F. Mannucci, G. Andreuzzi, G. Chincarini, G. Cusumano, G.L. Israel, G. Tagliaferri, J.L. Racusin, J. Mao, J. Nousek, K. Hurley, L.A. Antonelli, L. Amati, L.K. Hunt, L. Stella, M. Della Valle, M. De Pasquale, N. Masetti, P. D'Avanzo, P. Ferrero, P. Giommi, R. Margutti, R. Salvaterra, S. Campana, S. Covino, S.D. Barthelmy, S. Marinoni, S. Piranomonte, S.T. Holland, V. D'Elia, V. Testa

arxiv:0906.1578 v3 · 2009-06-08 · 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{M5JZCHP5RYYUNANB5LOQS7GRYJ}

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.

Cited by

2 papers in Pith

Interstellar dust production, destruction and effects of dust depletion in galaxies

Mapping the redshift drift at various redshifts through cosmography

Receipt and verification

First computed	2026-05-18T02:13:21.488278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6753911dfd8e314681a1eadd097cd1c25a5a52677152795688c0a3d3779f7724

Aliases

arxiv: 0906.1578 · arxiv_version: 0906.1578v3 · doi: 10.48550/arxiv.0906.1578 · pith_short_12: M5JZCHP5RYYU · pith_short_16: M5JZCHP5RYYUNANB · pith_short_8: M5JZCHP5

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/M5JZCHP5RYYUNANB5LOQS7GRYJ \
  | 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: 6753911dfd8e314681a1eadd097cd1c25a5a52677152795688c0a3d3779f7724

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcfbcb4d787b3cd90e10276d1860305f858c1ce6a6a1e9028bd5216c90e5e89c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-08T20:05:19Z",
    "title_canon_sha256": "166e2dc24718feda36f6d10ad4ec1a6f3502ca0d40ad02c950b2b94b1be4d204"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1578",
    "kind": "arxiv",
    "version": 3
  }
}