Pith Number

pith:FXXYC4LU

pith:2018:FXXYC4LURUUXCG7ED6255U2YF5

not attested not anchored not stored refs pending

Observation of Bulk Polarization Transitions and Higher-Order Embedded Topological Eigenstates for Sound

Alexander B. Khanikaev, Andrea Al\`u, Matthew Weiner, Xiang Ni

arxiv:1807.00896 v1 · 2018-07-02 · cond-mat.mtrl-sci · cond-mat.dis-nn · 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{FXXYC4LURUUXCG7ED6255U2YF5}

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	2026-05-18T00:11:46.103238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2def8171748d29711be41fb5ded3582f564a107e4534958b74b7d82d380205e4

Aliases

arxiv: 1807.00896 · arxiv_version: 1807.00896v1 · doi: 10.48550/arxiv.1807.00896 · pith_short_12: FXXYC4LURUUX · pith_short_16: FXXYC4LURUUXCG7E · pith_short_8: FXXYC4LU

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/FXXYC4LURUUXCG7ED6255U2YF5 \
  | 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: 2def8171748d29711be41fb5ded3582f564a107e4534958b74b7d82d380205e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "843ead3fbce911e6a973403732556083e26a7f86791885b5bdaab5d3c7b83b30",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-07-02T21:22:58Z",
    "title_canon_sha256": "9531d2ee752f2027ed3b7c6b9040820f83e41b6c10186ffef476248dad28cef8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00896",
    "kind": "arxiv",
    "version": 1
  }
}