Pith Number

pith:BZNXH4LY

pith:2019:BZNXH4LYGSOB74NXJUJCLCQE7D

not attested not anchored not stored refs pending

Machine learning assisted measurement of local topological invariants

Marcello D. Caio, Marco Caccin, Michel Fruchart, Paul Baireuther, Timo Hyart

arxiv:1901.03346 v2 · 2019-01-10 · cond-mat.dis-nn · cond-mat.mes-hall · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BZNXH4LYGSOB74NXJUJCLCQE7D}

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	2026-05-17T23:55:42.270380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e5b73f178349c1ff1b74d12258a04f8e757c760005e6cdb8ce8c3dc99176601

Aliases

arxiv: 1901.03346 · arxiv_version: 1901.03346v2 · doi: 10.48550/arxiv.1901.03346 · pith_short_12: BZNXH4LYGSOB · pith_short_16: BZNXH4LYGSOB74NX · pith_short_8: BZNXH4LY

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/BZNXH4LYGSOB74NXJUJCLCQE7D \
  | 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: 0e5b73f178349c1ff1b74d12258a04f8e757c760005e6cdb8ce8c3dc99176601

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "839ddac63b506739f0676a85e45bdd21492641689a1ff78b378c03e31f0eddec",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2019-01-10T19:00:15Z",
    "title_canon_sha256": "562d63196a128916e5430fb948d24bdb9db1d228c3950e786c4c3ba5a5f81bd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03346",
    "kind": "arxiv",
    "version": 2
  }
}