Pith. sign in
Pith Number

pith:NBLS6QT2

pith:2019:NBLS6QT2BA5NH4KQK73YWGZIG7
not attested not anchored not stored refs pending

Numerical reconstruction of radiative sources in an absorbing and non-diffusing scattering medium in two dimensions

Alexandru Tamasan, Hiroshi Fujiwara, Kamran Sadiq

arxiv:1908.09133 v1 · 2019-08-24 · math.NA · cs.NA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NBLS6QT2BA5NH4KQK73YWGZIG7}

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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 2026-07-05T02:08:16.488710Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

68572f427a083ad3f15057f78b1b2837e669996c0ca9a33d48bd9abb876a2e17

Aliases

arxiv: 1908.09133 · arxiv_version: 1908.09133v1 · doi: 10.48550/arxiv.1908.09133 · pith_short_12: NBLS6QT2BA5N · pith_short_16: NBLS6QT2BA5NH4KQ · pith_short_8: NBLS6QT2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NBLS6QT2BA5NH4KQK73YWGZIG7 \
  | 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: 68572f427a083ad3f15057f78b1b2837e669996c0ca9a33d48bd9abb876a2e17
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "21ed8c09b029a6c7220e7d1b64798cf6834d37b9fcf5db7634c3d1ba90692f1a",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-24T12:46:49Z",
    "title_canon_sha256": "8e02f034fffddfd17811a85d8169d305c14b74f65377db914bec145a5c91df1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09133",
    "kind": "arxiv",
    "version": 1
  }
}