Pith Number

pith:FCLTZJ3E

pith:2017:FCLTZJ3EA4PAE2GUUB3SARRPDC

not attested not anchored not stored refs pending

Topological protection from exceptional points in Weyl and nodal line semimetals

J. Gonzalez, R. A. Molina

arxiv:1702.02521 v2 · 2017-02-08 · cond-mat.mes-hall · math-ph · math.MP · quant-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{FCLTZJ3EA4PAE2GUUB3SARRPDC}

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	2026-05-18T00:38:30.408259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28973ca764071e0268d4a07720462f18a45e975fbab435a378171e52d6257dad

Aliases

arxiv: 1702.02521 · arxiv_version: 1702.02521v2 · doi: 10.48550/arxiv.1702.02521 · pith_short_12: FCLTZJ3EA4PA · pith_short_16: FCLTZJ3EA4PAE2GU · pith_short_8: FCLTZJ3E

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/FCLTZJ3EA4PAE2GUUB3SARRPDC \
  | 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: 28973ca764071e0268d4a07720462f18a45e975fbab435a378171e52d6257dad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0bf7cc8dd3bb6a8b9a133718e5cb4bf358a7ad74065992969dc1368d804f72e",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2017-02-08T16:59:43Z",
    "title_canon_sha256": "c986ef101cf74eb693078153433ba26e2e67a385eb5c75e697a9ff15666581e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02521",
    "kind": "arxiv",
    "version": 2
  }
}