Pith Number

pith:UE3M62ZF

pith:2018:UE3M62ZFR3VO3LJ3AJTLONDPGW

not attested not anchored not stored refs pending

Bosonic Topological Excitations from the Instability of a Quadratic Band Crossing

Andreas Hemmerich, Guang-Quan Luo, Zhi-Fang Xu

arxiv:1804.02957 v1 · 2018-04-09 · cond-mat.quant-gas

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UE3M62ZFR3VO3LJ3AJTLONDPGW}

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	2026-05-18T00:00:21.583884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a136cf6b258eeaedad3b0266b7346f35b6ae71817e7aa7912aa911a8245935be

Aliases

arxiv: 1804.02957 · arxiv_version: 1804.02957v1 · doi: 10.48550/arxiv.1804.02957 · pith_short_12: UE3M62ZFR3VO · pith_short_16: UE3M62ZFR3VO3LJ3 · pith_short_8: UE3M62ZF

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/UE3M62ZFR3VO3LJ3AJTLONDPGW \
  | 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: a136cf6b258eeaedad3b0266b7346f35b6ae71817e7aa7912aa911a8245935be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c6f1f8d11f8783575af505c27cf6301ada81065714761fef3a37534563c30cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2018-04-09T13:12:43Z",
    "title_canon_sha256": "200af69e8c5422d2ce0b51c7bc64cacd4444998df4769b3fdbdbd519b1b07837"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02957",
    "kind": "arxiv",
    "version": 1
  }
}