Pith Number

pith:WKPA7EVI

pith:2026:WKPA7EVIIZ5KLMWARMI4AKAWTD

not attested not anchored not stored refs pending

BatteryMat: a hierarchical machine-learning and DFT framework for average-voltage screening of lithium-ion cathode materials

Charles Rhys Campbell, Jaehyung Lee, Kamal Choudhary, Kent Zhang

arxiv:2607.06645 v1 · 2026-07-07 · 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{WKPA7EVIIZ5KLMWARMI4AKAWTD}

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	2026-07-09T00:19:21.588777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b29e0f92a8467aa5b2c08b11c0281698fafb9898e9946fdd70f6d766b9c701a1

Aliases

arxiv: 2607.06645 · arxiv_version: 2607.06645v1 · doi: 10.48550/arxiv.2607.06645 · pith_short_12: WKPA7EVIIZ5K · pith_short_16: WKPA7EVIIZ5KLMWA · pith_short_8: WKPA7EVI

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/WKPA7EVIIZ5KLMWARMI4AKAWTD \
  | 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: b29e0f92a8467aa5b2c08b11c0281698fafb9898e9946fdd70f6d766b9c701a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4b91f790a389e80e9b9734ddad60082ee6410f3b794a35ff0aff90f7ff538a4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2026-07-07T15:35:54Z",
    "title_canon_sha256": "7335a015f44bdd068bc2e823222b4f06610f6f985388142f82b8c9219ef09b93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.06645",
    "kind": "arxiv",
    "version": 1
  }
}