Pith Number

pith:WR6NKYPN

pith:2019:WR6NKYPNCFL66UOW2JVE5LBEPZ

not attested not anchored not stored refs pending

Tunable Dirac points and zero-energy modes in periodic curved graphene superlattices

Hai-Qing Lin, Jianli Luan, Kaiyi Guo, Li-Gang Wang, Shangyang Li, Tianxing Ma

arxiv:1907.09980 v2 · 2019-07-23 · 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{WR6NKYPNCFL66UOW2JVE5LBEPZ}

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	2026-07-05T02:52:37.523335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b47cd561ed1157ef51d6d26a4eac247e5ef8bc8ff4e6b4b16235d5c7440a47c4

Aliases

arxiv: 1907.09980 · arxiv_version: 1907.09980v2 · doi: 10.48550/arxiv.1907.09980 · pith_short_12: WR6NKYPNCFL6 · pith_short_16: WR6NKYPNCFL66UOW · pith_short_8: WR6NKYPN

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/WR6NKYPNCFL66UOW2JVE5LBEPZ \
  | 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: b47cd561ed1157ef51d6d26a4eac247e5ef8bc8ff4e6b4b16235d5c7440a47c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b662819fd6d327838b5b3287d129a8fae4447b59572e307a0a953e9156ed3e0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-07-23T16:16:57Z",
    "title_canon_sha256": "6fced6e7204be1312d6f4b5576577e2c00010475fb2e86a9939bc306e0d0d876"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09980",
    "kind": "arxiv",
    "version": 2
  }
}