Pith Number

pith:OSG6EWYJ

pith:2016:OSG6EWYJ2T45XTQOMPETBHEZSF

not attested not anchored not stored refs pending

SPARC: Accurate and efficient finite-difference formulation and parallel implementation of Density Functional Theory: Isolated clusters

Phanish Suryanarayana, Swarnava Ghosh

arxiv:1603.04334 v3 · 2016-03-14 · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OSG6EWYJ2T45XTQOMPETBHEZSF}

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	2026-05-18T00:53:34.503222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

748de25b09d4f9dbce0e63c9309c99916f7a34844093a49e894c2237495cd2eb

Aliases

arxiv: 1603.04334 · arxiv_version: 1603.04334v3 · doi: 10.48550/arxiv.1603.04334 · pith_short_12: OSG6EWYJ2T45 · pith_short_16: OSG6EWYJ2T45XTQO · pith_short_8: OSG6EWYJ

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/OSG6EWYJ2T45XTQOMPETBHEZSF \
  | 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: 748de25b09d4f9dbce0e63c9309c99916f7a34844093a49e894c2237495cd2eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c422a8d12713c4ee70a13b957a9c50990d5675e4cefd705cfc0e20a3d96d702",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2016-03-14T16:37:40Z",
    "title_canon_sha256": "7f7c8a691680f19d335db60f3247fc5c49a838d3e4ce06daf2cf4de309853f67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04334",
    "kind": "arxiv",
    "version": 3
  }
}