Pith Number

pith:6BG4BWTY

pith:2009:6BG4BWTYUGQBZ6QPU4MHNYSDIN

not attested not anchored not stored refs pending

Unveiling the Origin of GRB 090709A: Lack of Periodicity in a Reddened Cosmological Long-Duration Gamma-Ray Burst

A. A. Miller, A. de Ugarte Postigo, A. J. Castro-Tirado, A. N. Morgan, A. V. Filippenko, C. R. Klein, D. A. Frail, D. A. Perley, D. L. Starr, E. O. Ofek, J. Cepa, J. Gorosabel, J. S. Bloom, N. R. Butler, P. C. Chandra, P. E. Nugent, S. B. Cenko, S. R. Kulkarni

arxiv:0911.3150 v1 · 2009-11-16 · 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{6BG4BWTYUGQBZ6QPU4MHNYSDIN}

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	2026-05-18T02:10:47.064473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f04dc0da78a1a01cfa0fa71876e243434a8a114de32b62f6eb6e8cd680e3935e

Aliases

arxiv: 0911.3150 · arxiv_version: 0911.3150v1 · doi: 10.48550/arxiv.0911.3150 · pith_short_12: 6BG4BWTYUGQB · pith_short_16: 6BG4BWTYUGQBZ6QP · pith_short_8: 6BG4BWTY

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/6BG4BWTYUGQBZ6QPU4MHNYSDIN \
  | 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: f04dc0da78a1a01cfa0fa71876e243434a8a114de32b62f6eb6e8cd680e3935e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f002331d80be10a0c1124cbe0db2a2f4f15da7bfc3a768c0aebcb0c58b1d0164",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-11-16T22:39:53Z",
    "title_canon_sha256": "3235d307919236af159fc0c4483c8cd869949e16700ac550798f026eba5a08d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3150",
    "kind": "arxiv",
    "version": 1
  }
}