Pith Number

pith:2RJ4S5IQ

pith:2025:2RJ4S5IQSDDGWS2LT5B3A3LVHJ

not attested not anchored not stored refs pending

Classification of Fragile Topology Enabled by Matrix Homotopy

Alexander Cerjan, Ki Young Lee, Sachin Vaidya, Stephan Wong, Terry A. Loring

arxiv:2503.03948 v1 · 2025-03-05 · cond-mat.mes-hall · math-ph · math.MP · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2RJ4S5IQSDDGWS2LT5B3A3LVHJ}

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.

Cited by

1 paper in Pith

Leveraging structural disorder to enhance topological phases

Receipt and verification

First computed	2026-07-05T10:25:25.136531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d453c9751090c66b4b4b9f43b06d753a4807ab93c8a83459e8db7393f439f3f5

Aliases

arxiv: 2503.03948 · arxiv_version: 2503.03948v1 · doi: 10.48550/arxiv.2503.03948 · pith_short_12: 2RJ4S5IQSDDG · pith_short_16: 2RJ4S5IQSDDGWS2L · pith_short_8: 2RJ4S5IQ

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/2RJ4S5IQSDDGWS2LT5B3A3LVHJ \
  | 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: d453c9751090c66b4b4b9f43b06d753a4807ab93c8a83459e8db7393f439f3f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4698f45b8442cb8d7f5b4fb16d5cba96561470bdcd49726fc6c9e3c5415df7f1",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2025-03-05T22:28:48Z",
    "title_canon_sha256": "15a051e651b2d1d2978f55c57c53bf0e44cda2d924de8499d6f08c92d0f2466c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.03948",
    "kind": "arxiv",
    "version": 1
  }
}