Pith Number

pith:FTPNXVLH

pith:2014:FTPNXVLH7NBZG7RCBKT2YYPIH7

not attested not anchored not stored refs pending

Topological index for periodically driven time-reversal invariant 2D systems

David Carpentier, Krzysztof Gaw\k{e}dzki, Michel Fruchart, Pierre Delplace

arxiv:1407.7747 v2 · 2014-07-29 · cond-mat.mes-hall · cond-mat.quant-gas · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FTPNXVLH7NBZG7RCBKT2YYPIH7}

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	2026-05-18T02:20:40.084614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cdedbd567fb43937e220aa7ac61e83fc5fffa9a97031f62a74f8739a82ddfa5

Aliases

arxiv: 1407.7747 · arxiv_version: 1407.7747v2 · doi: 10.48550/arxiv.1407.7747 · pith_short_12: FTPNXVLH7NBZ · pith_short_16: FTPNXVLH7NBZG7RC · pith_short_8: FTPNXVLH

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/FTPNXVLH7NBZG7RCBKT2YYPIH7 \
  | 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: 2cdedbd567fb43937e220aa7ac61e83fc5fffa9a97031f62a74f8739a82ddfa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbc68b07e3f2a4867947e468d6a428db108dcaf156cc08d1adfe3e9d3c377dfe",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2014-07-29T14:54:25Z",
    "title_canon_sha256": "149dbe552226252f377001d14344ec0d7da782bc0748ed784fb5a8b329789ada"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7747",
    "kind": "arxiv",
    "version": 2
  }
}