pith. sign in
Pith Number

pith:7RGYQSOR

pith:2011:7RGYQSORLODHSYIQTHEY3NUP4G
not attested not anchored not stored refs pending

The Infrared Spectrum of Uranium Hollow Cathode Lamps from 850 nm to 4000 nm: Wavenumbers and Line Identifications from Fourier Transform Spectra

Gillian Nave, James E. Lawler, Lawrence W. Ramsey, Stephen L. Redman, Suvrath Mahadevan

arxiv:1107.4091 v1 · 2011-07-20 · astro-ph.IM · astro-ph.EP · physics.atom-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7RGYQSORLODHSYIQTHEY3NUP4G}

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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 2026-05-18T04:06:56.702150Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fc4d8849d15b8679611099c98db68fe188751d3a651eaa7e47094ffa3b44e4c9

Aliases

arxiv: 1107.4091 · arxiv_version: 1107.4091v1 · doi: 10.48550/arxiv.1107.4091 · pith_short_12: 7RGYQSORLODH · pith_short_16: 7RGYQSORLODHSYIQ · pith_short_8: 7RGYQSOR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7RGYQSORLODHSYIQTHEY3NUP4G \
  | 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: fc4d8849d15b8679611099c98db68fe188751d3a651eaa7e47094ffa3b44e4c9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e80162c8ba8ce68c890870aca7b24c61f05dcf5a451a90ee6ac20d59dc0ebb5b",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-07-20T19:59:56Z",
    "title_canon_sha256": "7cebbf1571526b95a7ca6b89151c608c6365f4ee0032ffc556fc185a7dc6b36c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4091",
    "kind": "arxiv",
    "version": 1
  }
}