Pith Number

pith:O52IT7XE

pith:2012:O52IT7XE7ZEX35XJN6IWKVDWHO

not attested not anchored not stored refs pending

Noncommutative geometry for three-dimensional topological insulators

Christopher Mudry, Claudio Chamon, Luiz Santos, Shinsei Ryu, Titus Neupert

arxiv:1202.5188 v2 · 2012-02-23 · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O52IT7XE7ZEX35XJN6IWKVDWHO}

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	2026-05-18T03:41:12.542053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

777489fee4fe497df6e96f916554763bbc71401c65a31ab0b013a39e27003d5f

Aliases

arxiv: 1202.5188 · arxiv_version: 1202.5188v2 · doi: 10.48550/arxiv.1202.5188 · pith_short_12: O52IT7XE7ZEX · pith_short_16: O52IT7XE7ZEX35XJ · pith_short_8: O52IT7XE

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/O52IT7XE7ZEX35XJN6IWKVDWHO \
  | 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: 777489fee4fe497df6e96f916554763bbc71401c65a31ab0b013a39e27003d5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b6db25d690abe81dc568fa75efbb7ab80294fce4614b15a4388855b8139015e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2012-02-23T14:17:01Z",
    "title_canon_sha256": "d3bef25c360a557bc6a7bbfe4af47f8754e4e5e4b2d9aa1c3400f7c5bd3c174c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5188",
    "kind": "arxiv",
    "version": 2
  }
}