Pith Number

pith:JKK7CV2P

pith:2010:JKK7CV2PG2NB3MW4LB6FXKRN6F

not attested not anchored not stored refs pending

A semi-Dirac point in the Hofstadter spectrum

G. Montambaux, P. Delplace

arxiv:1001.3952 v1 · 2010-01-22 · cond-mat.mes-hall · cond-mat.quant-gas

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JKK7CV2PG2NB3MW4LB6FXKRN6F}

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	2026-05-18T04:32:01.800736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a95f1574f369a1db2dc587c5baa2df1500a73f6c682c507ec678714ecd6a29c

Aliases

arxiv: 1001.3952 · arxiv_version: 1001.3952v1 · doi: 10.48550/arxiv.1001.3952 · pith_short_12: JKK7CV2PG2NB · pith_short_16: JKK7CV2PG2NB3MW4 · pith_short_8: JKK7CV2P

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/JKK7CV2PG2NB3MW4LB6FXKRN6F \
  | 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: 4a95f1574f369a1db2dc587c5baa2df1500a73f6c682c507ec678714ecd6a29c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b54af7c92b3febe7ab2893c20d7fd294e5528dc8ea3cb053bdae5d914caab8dc",
    "cross_cats_sorted": [
      "cond-mat.quant-gas"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2010-01-22T10:22:49Z",
    "title_canon_sha256": "6467bccb3cfa835cdf30cd165e025b0e02c1a34db3f7eb56717e497bd802768f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3952",
    "kind": "arxiv",
    "version": 1
  }
}