Pith Number

pith:2P7EFBSP

pith:2013:2P7EFBSPCMED76WBLJO5MANJBB

not attested not anchored not stored refs pending

First-principles generalized gradient approximation (GGA) +Ud+Up studies of electronic structures and optical properties in cubic HfO2

Hantao Lu, Jinping Li, Lingling Li, Songhe Meng, Takami Tohyama

arxiv:1305.0108 v1 · 2013-05-01 · 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{2P7EFBSPCMED76WBLJO5MANJBB}

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	2026-05-18T03:06:22.072883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3fe42864f13083ffac15a5dd601a90845f24a65fcfbcdf5ff897c54e9631fc3

Aliases

arxiv: 1305.0108 · arxiv_version: 1305.0108v1 · doi: 10.48550/arxiv.1305.0108 · pith_short_12: 2P7EFBSPCMED · pith_short_16: 2P7EFBSPCMED76WB · pith_short_8: 2P7EFBSP

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/2P7EFBSPCMED76WBLJO5MANJBB \
  | 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: d3fe42864f13083ffac15a5dd601a90845f24a65fcfbcdf5ff897c54e9631fc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9448ce73ab44ff242901650c1422b80de3c4b467c74ab02c4f8a177b2c57fd82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-05-01T06:54:25Z",
    "title_canon_sha256": "e64afd461b0bef6f4e529172ff02e9fdcbdcd60791706b5303cef5ce5a3a768d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0108",
    "kind": "arxiv",
    "version": 1
  }
}