Pith Number

pith:R5KKBM44

pith:2021:R5KKBM44P3XAEL7C74PD6WSGAE

not attested not anchored not stored refs pending

Second Chern crystals in four-dimensional synthetic translation space with inherently nontrivial topology

Fu-Long Shi, Jian-Wei Liu, Jian-Wen Dong, Ke Shen, Wen-Jie Chen, Xiao-Dong Chen, Xin-Tao He

arxiv:2112.05356 v1 · 2021-12-10 · physics.optics · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R5KKBM44P3XAEL7C74PD6WSGAE}

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	2026-07-05T10:01:08.239672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f54a0b39c7eee022fe2ff1e3f5a460119b6d0e3cfdd1a76a5a017f5d6244c38

Aliases

arxiv: 2112.05356 · arxiv_version: 2112.05356v1 · doi: 10.48550/arxiv.2112.05356 · pith_short_12: R5KKBM44P3XA · pith_short_16: R5KKBM44P3XAEL7C · pith_short_8: R5KKBM44

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/R5KKBM44P3XAEL7C74PD6WSGAE \
  | 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: 8f54a0b39c7eee022fe2ff1e3f5a460119b6d0e3cfdd1a76a5a017f5d6244c38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd1490bc7fb2bbb16829595bcead7ee898a1c065f38ea8d0ad718aa1a5e749a6",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-12-10T06:50:35Z",
    "title_canon_sha256": "dce806315229ed2f0ed204e01ab8b259dccb961d59dd52cfdb0c4284ba3a4a15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.05356",
    "kind": "arxiv",
    "version": 1
  }
}