pith. sign in
Pith Number

pith:RRPJN7E2

pith:2010:RRPJN7E2UA5JGGAC54ELXPATTY
not attested not anchored not stored refs pending

A Carbon-enhanced Metal-poor Damped Lyman alpha System: Probing Gas from Population III Nucleosynthesis?

Charles C. Steidel (California Institute of Technology), Gwen C. Rudie (California Institute of Technology), Max Pettini (Institute of Astronomy, Regina A. Jorgenson (Institute of Astronomy, Ryan Cooke (Institute of Astronomy, University of Cambridge)

arxiv:1011.0733 v2 · 2010-11-02 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RRPJN7E2UA5JGGAC54ELXPATTY}

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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.
Receipt and verification
First computed 2026-05-18T02:04:53.500560Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8c5e96fc9aa03a931802ef08bbbc139e279b55e0cf041129257896860460613e

Aliases

arxiv: 1011.0733 · arxiv_version: 1011.0733v2 · doi: 10.48550/arxiv.1011.0733 · pith_short_12: RRPJN7E2UA5J · pith_short_16: RRPJN7E2UA5JGGAC · pith_short_8: RRPJN7E2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RRPJN7E2UA5JGGAC54ELXPATTY \
  | 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: 8c5e96fc9aa03a931802ef08bbbc139e279b55e0cf041129257896860460613e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d14c4e40215207f7b92049a9e5265cfe32e51da3aff7e8e06c6f2c8277336215",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-02T20:00:07Z",
    "title_canon_sha256": "a0cb3e4e0962dca580ec5a01a444d4fbaee2d6579e8d21767ef47994f46d5336"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.0733",
    "kind": "arxiv",
    "version": 2
  }
}