Pith Number

pith:2EMG4JUP

pith:2023:2EMG4JUPMVDI5EC4XU74RGET4I

not attested not anchored not stored refs pending

Version 2.0.0 -- SPARC: Simulation Package for Ab-initio Real-space Calculations

Abhiraj Sharma, Andrew J. Medford, Boqin Zhang, Edmond Chow, John E. Pask, Lucas Erlandson, Phanish Suryanarayana, Qimen Xu, Shashikant Kumar, Sushree Jagriti Sahoo, Xin Jing

arxiv:2305.07679 v2 · 2023-05-12 · 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{2EMG4JUPMVDI5EC4XU74RGET4I}

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	2026-07-05T08:13:58.875436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1186e268f65468e905cbd3fc89893e2056e2e7418d6505ed7990b715ee1f6fc

Aliases

arxiv: 2305.07679 · arxiv_version: 2305.07679v2 · doi: 10.48550/arxiv.2305.07679 · pith_short_12: 2EMG4JUPMVDI · pith_short_16: 2EMG4JUPMVDI5EC4 · pith_short_8: 2EMG4JUP

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/2EMG4JUPMVDI5EC4XU74RGET4I \
  | 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: d1186e268f65468e905cbd3fc89893e2056e2e7418d6505ed7990b715ee1f6fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "825235e15736f2894f8f886adedf3ba73962882230abbc3cea99887313fa2140",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2023-05-12T05:03:41Z",
    "title_canon_sha256": "27be40ef812f67be974d261770dc87a549992aa926f0b8da2e2caeae19c160cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.07679",
    "kind": "arxiv",
    "version": 2
  }
}