Pith Number

pith:2LWFKU54

pith:2026:2LWFKU54FQIRXN6GWPS6ADJSAX

not attested not anchored not stored refs pending

SPARC-atomSFE: Spectral finite-element package for atomic structure calculations in density functional theory

Phanish Suryanarayana, Qihao Cheng, Shubhang Krishnakant Trivedi

arxiv:2605.18488 v1 · 2026-05-18 · physics.comp-ph · physics.atom-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{2LWFKU54FQIRXN6GWPS6ADJSAX}

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	2026-05-20T00:06:03.853185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2ec5553bc2c111bb7c6b3e5e00d3205fd23e248ff47fc7e516b53d656ef89f6

Aliases

arxiv: 2605.18488 · arxiv_version: 2605.18488v1 · doi: 10.48550/arxiv.2605.18488 · pith_short_12: 2LWFKU54FQIR · pith_short_16: 2LWFKU54FQIRXN6G · pith_short_8: 2LWFKU54

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/2LWFKU54FQIRXN6GWPS6ADJSAX \
  | 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: d2ec5553bc2c111bb7c6b3e5e00d3205fd23e248ff47fc7e516b53d656ef89f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb875e319c90bb019e579792de27f7e6bc6b9ba9f6f375acf1fdbaf4eb6cfbd2",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2026-05-18T14:39:33Z",
    "title_canon_sha256": "ae7c171463a2b107add32075511f9f446a7eeff616f2eac146f6b7ec2979ac1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18488",
    "kind": "arxiv",
    "version": 1
  }
}