Pith Number

pith:3XZUBWWX

pith:2018:3XZUBWWXWQ5CPEMLHV2CP4VJKH

not attested not anchored not stored refs pending

Valley Topological Phases in Bilayer Sonic Crystals

Chunyin Qiu, Fan Zhang, Feng Li, Jiuyang Lu, Shuqi Chen, Weiyin Deng, Xueqin Huang, Zhengyou Liu

arxiv:1802.09772 v1 · 2018-02-27 · 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{3XZUBWWXWQ5CPEMLHV2CP4VJKH}

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	2026-05-18T00:19:20.651057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddf340dad7b43a27918b3d7427f2a951fa3bd62d1985ee028fa0044da16e8fcd

Aliases

arxiv: 1802.09772 · arxiv_version: 1802.09772v1 · doi: 10.48550/arxiv.1802.09772 · pith_short_12: 3XZUBWWXWQ5C · pith_short_16: 3XZUBWWXWQ5CPEML · pith_short_8: 3XZUBWWX

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/3XZUBWWXWQ5CPEMLHV2CP4VJKH \
  | 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: ddf340dad7b43a27918b3d7427f2a951fa3bd62d1985ee028fa0044da16e8fcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d558fa369de163443668eea9b581d6615f6ab8e6ea7d0ec50caa2379d3b44e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2018-02-27T08:37:20Z",
    "title_canon_sha256": "0f9c2eac6a11a822e25da4594f05a5fcc078b45012bf28b1c15fdec084673839"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09772",
    "kind": "arxiv",
    "version": 1
  }
}