Pith Number

pith:WBUXDIWQ

pith:2011:WBUXDIWQTGPZBRZFATMY7ATUAB

not attested not anchored not stored refs pending

Variable Ly alpha sheds light on the environment surrounding GRB 090426

10), 12), (14) Dep. of Astronomy, 2), (2) IAA-CSIC, (3) NCSU, 4), (5) Excellence Universe Cluster, (6) Dep. of Physics, (7) Fundacio General & Dep. de Astronomia y Astrofisica, (8) Science Institute, (9) IfA, A. de Ugarte Postigo (1, A. J. Levan (6), Astronomy, Astrophysics, B. Milvang-Jensen (4), Burjassot, C. C. Th\"one (1, Center for Astrophysics, Copenhagen, Denmark, Dep. of Physics, D. Lazzati (3), D. Malesani (4), E. M. Levesque (9, E. Wuyts (14), Garching, Germany, Granada, H. Dahle (15) ((1) INAF-OAB, Honolulu (10) Einstein Fellow, Iceland, Italy, J. Hjorth (4), J. P. U. Fynbo (4), K. Wiersema (13), L. Christensen (5), M. A. Aloy (7), Merate, M. Gladders (14), NC (4) DARK-NBI, Norway), N. R. Tanvir (13), P. Jakobsson (8), PSU (12) Space Science Department, P. W. A. Roming (11, Raleigh, Reykjav\'ik, San Antonio (12) Dep. of Physics, S. Campana (1), Southwest Research Institute, Space Astronomy, Spain, TUM, UK, Univ. de Valencia, University of Oslo, Univ. of Chicago (15) Institute of Theoretical Astrophysics, Univ. of Colorado at Boulder (11) Dep. of Astronomy, Univ. of Hawaii, Univ. of Iceland, univ. of Leicester, Univ. of Warwick

arxiv:1101.3488 v1 · 2011-01-18 · 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{WBUXDIWQTGPZBRZFATMY7ATUAB}

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	2026-05-18T02:22:51.674727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b06971a2d0999f90c72504d98f82740060907c2a704cc8436cbed90d47f029f1

Aliases

arxiv: 1101.3488 · arxiv_version: 1101.3488v1 · doi: 10.48550/arxiv.1101.3488 · pith_short_12: WBUXDIWQTGPZ · pith_short_16: WBUXDIWQTGPZBRZF · pith_short_8: WBUXDIWQ

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/WBUXDIWQTGPZBRZFATMY7ATUAB \
  | 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: b06971a2d0999f90c72504d98f82740060907c2a704cc8436cbed90d47f029f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c667068890b9c6b2a9ae6bea0a0e32984b60cf0e6932c8297601547f5348095f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-01-18T16:15:26Z",
    "title_canon_sha256": "6554457852b9bc51e6ca2c3eb60e70988a193660daa29a3baf4178c8bb94f3a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3488",
    "kind": "arxiv",
    "version": 1
  }
}