Pith Number

pith:UMCQD4JN

pith:2012:UMCQD4JNEUYT6UTUIS5PMW6HZ7

not attested not anchored not stored refs pending

Surface States of Topological Insulators

C. L. Kane, E. J. Mele, Fan Zhang

arxiv:1203.6382 v1 · 2012-03-28 · cond-mat.mes-hall · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UMCQD4JNEUYT6UTUIS5PMW6HZ7}

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	2026-05-18T03:26:53.018952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a30501f12d25313f527444baf65bc7cfd22be38922810ab1039a2ae553818508

Aliases

arxiv: 1203.6382 · arxiv_version: 1203.6382v1 · doi: 10.48550/arxiv.1203.6382 · pith_short_12: UMCQD4JNEUYT · pith_short_16: UMCQD4JNEUYT6UTU · pith_short_8: UMCQD4JN

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/UMCQD4JNEUYT6UTUIS5PMW6HZ7 \
  | 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: a30501f12d25313f527444baf65bc7cfd22be38922810ab1039a2ae553818508

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b545e4dba16ea8ec9cd7f250c38421ebfc63ac8dea465488b52b3f6ae0449935",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2012-03-28T21:22:19Z",
    "title_canon_sha256": "186909a79191a950a07cc01aaad875db0d061f83dfc6579ef406ea614ce0e75e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6382",
    "kind": "arxiv",
    "version": 1
  }
}