Pith Number

pith:FLPR2S7B

pith:2017:FLPR2S7B2IWWDU3ZOR4XFHPJOC

not attested not anchored not stored refs pending

SQDFT: Spectral Quadrature method for large-scale parallel $\mathcal{O}(N)$ Kohn-Sham calculations at high temperature

Abhiraj Sharma, John E. Pask, Phanish Suryanarayana, Phanisri P. Pratapa

arxiv:1708.07913 v2 · 2017-08-26 · physics.comp-ph · cond-mat.mtrl-sci

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FLPR2S7B2IWWDU3ZOR4XFHPJOC}

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	2026-05-18T00:21:25.634358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2adf1d4be1d22d61d3797479729de970aca9799dd767762120c1535c3fecb88e

Aliases

arxiv: 1708.07913 · arxiv_version: 1708.07913v2 · doi: 10.48550/arxiv.1708.07913 · pith_short_12: FLPR2S7B2IWW · pith_short_16: FLPR2S7B2IWWDU3Z · pith_short_8: FLPR2S7B

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/FLPR2S7B2IWWDU3ZOR4XFHPJOC \
  | 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: 2adf1d4be1d22d61d3797479729de970aca9799dd767762120c1535c3fecb88e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f4505333c2442e83344485dd7be2e38db464fc28b8b41cc3108b22bbf50642d",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2017-08-26T01:07:03Z",
    "title_canon_sha256": "7301f0b6af98268f71cb1e75a7fae622bf1cfd334a18a497b6d4bcfc3104e59e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07913",
    "kind": "arxiv",
    "version": 2
  }
}