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Pith Number

pith:GWXJ2GIR

pith:2013:GWXJ2GIRHM3RYY53Z7DSWGPAXK
not attested not anchored not stored refs pending

Dust-to-metal ratios in damped Lyman-alpha absorbers: Fresh clues to the origins of dust and optical extinction towards gamma-ray bursts

A. De Cia, C. Ledoux, P.M. Vreeswijk, P. Schady, S. Savaglio

arxiv:1305.1153 v2 · 2013-05-06 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GWXJ2GIRHM3RYY53Z7DSWGPAXK}

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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

1 paper in Pith

Receipt and verification
First computed 2026-05-18T01:50:11.864546Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

35ae9d19113b371c63bbcfc72b19e0baadf7058e58a84363193ce9cff3beaab9

Aliases

arxiv: 1305.1153 · arxiv_version: 1305.1153v2 · doi: 10.48550/arxiv.1305.1153 · pith_short_12: GWXJ2GIRHM3R · pith_short_16: GWXJ2GIRHM3RYY53 · pith_short_8: GWXJ2GIR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GWXJ2GIRHM3RYY53Z7DSWGPAXK \
  | 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: 35ae9d19113b371c63bbcfc72b19e0baadf7058e58a84363193ce9cff3beaab9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "67b2b87b28260b707a1980613a05888707e7f3e76b136c3513e3cbcfe4b514fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-06T11:53:46Z",
    "title_canon_sha256": "5891dd1c70fd5f7cdbaa01903fae6904f567a7f50e4d509bd1987dd3ebdea8f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1153",
    "kind": "arxiv",
    "version": 2
  }
}