Pith Number

pith:XXFZY5X4

pith:2026:XXFZY5X4MY5LPF6XV6SSAIC4JI

not attested not anchored not stored refs pending

Extended topological mode in a one-dimensional non-Hermitian acoustic crystal

Guancong Ma, Wei Wang, Xulong Wang

arxiv:2607.01472 v1 · 2026-07-01 · physics.class-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{XXFZY5X4MY5LPF6XV6SSAIC4JI}

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	2026-07-03T00:17:01.121396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdcb9c76fc663ab797d7afa520205c4a16f582bec115ec0fdddfe71632c903b2

Aliases

arxiv: 2607.01472 · arxiv_version: 2607.01472v1 · doi: 10.48550/arxiv.2607.01472 · pith_short_12: XXFZY5X4MY5L · pith_short_16: XXFZY5X4MY5LPF6X · pith_short_8: XXFZY5X4

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/XXFZY5X4MY5LPF6XV6SSAIC4JI \
  | 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: bdcb9c76fc663ab797d7afa520205c4a16f582bec115ec0fdddfe71632c903b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bcc89060dd1b8797de3ebe0c599cf4cb380da3947c435ddfa84ee9660e17abf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2026-07-01T21:05:54Z",
    "title_canon_sha256": "89ef6ad3bd43f1706606c7a101fda9773c22b810f551fc4ab7b0dc393c3f0fc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01472",
    "kind": "arxiv",
    "version": 1
  }
}