Pith Number

pith:MPQKVLZQ

pith:2017:MPQKVLZQ6PTZ7LNO4254OVG6EJ

not attested not anchored not stored refs pending

Measuring topology by dynamics: Chern number from linking number

Andr\'e Eckardt, Benno S. Rem, Christof Weitenberg, F. Nur \"Unal, Klaus Sengstock, Matthias Tarnowski, Nick Fl\"aschner

arxiv:1709.01046 v4 · 2017-09-04 · cond-mat.quant-gas · cond-mat.mes-hall · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MPQKVLZQ6PTZ7LNO4254OVG6EJ}

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	2026-05-17T23:48:34.545159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63e0aaaf30f3e79fadaee6bbc754de2248228058eb6df55b0beb6b64e20439ea

Aliases

arxiv: 1709.01046 · arxiv_version: 1709.01046v4 · doi: 10.48550/arxiv.1709.01046 · pith_short_12: MPQKVLZQ6PTZ · pith_short_16: MPQKVLZQ6PTZ7LNO · pith_short_8: MPQKVLZQ

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/MPQKVLZQ6PTZ7LNO4254OVG6EJ \
  | 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: 63e0aaaf30f3e79fadaee6bbc754de2248228058eb6df55b0beb6b64e20439ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4052ead44af67bce0ad9736c4f8475843711c824a3fa15b2a2a41b43deece8d3",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2017-09-04T17:14:07Z",
    "title_canon_sha256": "6966246b6df5717e51ab933f59abbe10c272d4cbe4b6259a0441945b372bbdf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01046",
    "kind": "arxiv",
    "version": 4
  }
}