Pith Number

pith:KY4T4A3U

pith:2011:KY4T4A3UQOSTH74MNDADTSQVVZ

not attested not anchored not stored refs pending

Stable nontrivial Z2 topology in ultrathin Bi (111) films: a first-principles study

Chao-Xing Liu, Feng Liu, Jian Wu, Wen-Hui Duan, Yong-Shi Wu, Zheng Liu

arxiv:1104.0978 v1 · 2011-04-06 · cond-mat.mtrl-sci · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KY4T4A3UQOSTH74MNDADTSQVVZ}

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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	2026-05-18T03:38:05.198038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56393e037483a533ff8c68c039ca15ae5f3ed42fa3b577df2a360d5bcf12e964

Aliases

arxiv: 1104.0978 · arxiv_version: 1104.0978v1 · doi: 10.48550/arxiv.1104.0978 · pith_short_12: KY4T4A3UQOST · pith_short_16: KY4T4A3UQOSTH74M · pith_short_8: KY4T4A3U

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/KY4T4A3UQOSTH74MNDADTSQVVZ \
  | 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: 56393e037483a533ff8c68c039ca15ae5f3ed42fa3b577df2a360d5bcf12e964

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9ec3b360f1cafbf2388109a825fd7618cf88a443d71f6cf83c31c6b0b5d6e97",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-04-06T00:28:05Z",
    "title_canon_sha256": "8b5489a05eb09bb4d1f929eae07bb8346ea80eddb78d67ec089ef25611ec075f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0978",
    "kind": "arxiv",
    "version": 1
  }
}