Pith Number

pith:GKWXZ2NG

pith:2009:GKWXZ2NGHRUW2IFUATCVVKCJZN

not attested not anchored not stored refs pending

Band Topology of Insulators via the Entanglement Spectrum

Ari M. Turner, Ashvin Vishwanath, Yi Zhang

arxiv:0909.3119 v2 · 2009-09-17 · cond-mat.str-el · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GKWXZ2NGHRUW2IFUATCVVKCJZN}

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	2026-05-18T04:32:00.787626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32ad7ce9a63c696d20b404c55aa849cb4d42b0cf91bfebe61830190c430ce31c

Aliases

arxiv: 0909.3119 · arxiv_version: 0909.3119v2 · doi: 10.48550/arxiv.0909.3119 · pith_short_12: GKWXZ2NGHRUW · pith_short_16: GKWXZ2NGHRUW2IFU · pith_short_8: GKWXZ2NG

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/GKWXZ2NGHRUW2IFUATCVVKCJZN \
  | 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: 32ad7ce9a63c696d20b404c55aa849cb4d42b0cf91bfebe61830190c430ce31c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd44bcce5aca863776b8a0ec159d00436bdfc37f043cf0cd15b104b378703804",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2009-09-17T19:52:41Z",
    "title_canon_sha256": "02de689e010093428aa86d3a0be2376c83ca5c7098a06806ebfed8826ef19202"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3119",
    "kind": "arxiv",
    "version": 2
  }
}