Pith Number

pith:7FNCQBZL

pith:1999:7FNCQBZLZ2UN664WAFFQLMMYI5

not attested not anchored not stored refs pending

Wave-packet dynamics in slowly perturbed crystals: Gradient corrections and Berry-phase effects

Ganesh Sundaram, Qian Niu

arxiv:cond-mat/9908003 v1 · 1999-07-31 · cond-mat

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7FNCQBZLZ2UN664WAFFQLMMYI5}

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.

Cited by

1 paper in Pith

Dynamical analog spacetimes from nonlinear perturbations in a topological material

Receipt and verification

First computed	2026-07-04T16:13:07.041261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f95a28072bcea8df7b96014b05b1984758d522b8c5caa86d139fec0d041c47ae

Aliases

arxiv: cond-mat/9908003 · arxiv_version: cond-mat/9908003v1 · doi: 10.48550/arxiv.cond-mat/9908003 · pith_short_12: 7FNCQBZLZ2UN · pith_short_16: 7FNCQBZLZ2UN664W · pith_short_8: 7FNCQBZL

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/7FNCQBZLZ2UN664WAFFQLMMYI5 \
  | 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: f95a28072bcea8df7b96014b05b1984758d522b8c5caa86d139fec0d041c47ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50d583714fe6116239c8f00de946be960321da6ba5efdfa575d2a1e556658ef1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1999-07-31T05:28:35Z",
    "title_canon_sha256": "9f69c98bf297a472c28524e566d66ef08aaf4245ebfb8a2d6a50deddba7c351e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9908003",
    "kind": "arxiv",
    "version": 1
  }
}