Pith Number

pith:MQGVEONI

pith:2016:MQGVEONIZEEG3PMOOSXY7JRO5J

not attested not anchored not stored refs pending

SPARC: Accurate and efficient finite-difference formulation and parallel implementation of Density Functional Theory: Extended systems

Phanish Suryanarayana, Swarnava Ghosh

arxiv:1603.04339 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{MQGVEONIZEEG3PMOOSXY7JRO5J}

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	2026-05-18T00:44:01.437865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

640d5239a8c9086dbd8e74af8fa62eea6f0b31e4e3c552e805e1fbb68e3d010f

Aliases

arxiv: 1603.04339 · arxiv_version: 1603.04339v3 · doi: 10.48550/arxiv.1603.04339 · pith_short_12: MQGVEONIZEEG · pith_short_16: MQGVEONIZEEG3PMO · pith_short_8: MQGVEONI

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/MQGVEONIZEEG3PMOOSXY7JRO5J \
  | 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: 640d5239a8c9086dbd8e74af8fa62eea6f0b31e4e3c552e805e1fbb68e3d010f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1100c3f182a723f8764b2c039486b6f5fce8e09cb064832264b164e8b05db510",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2016-03-14T16:43:16Z",
    "title_canon_sha256": "afc6c3f761075b3eada64802223e69d6798d083768ad779f6801cd3634524992"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04339",
    "kind": "arxiv",
    "version": 3
  }
}