Pith Number

pith:EPFQ2A7H

pith:2000:EPFQ2A7HKZGUJQ6VK6WHH4FPAS

not attested not anchored not stored refs pending

Classification of one-dimensional quasilattices into mutual local-derivability classes

Komajiro Niizeki, Nobuhisa Fujita

arxiv:cond-mat/0009422 v4 · 2000-09-27 · 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{EPFQ2A7HKZGUJQ6VK6WHH4FPAS}

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	2026-05-18T01:40:08.026872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23cb0d03e7564d44c3d557ac73f0af0483f7cb2ea89faf8ea872f9ad0eab9535

Aliases

arxiv: cond-mat/0009422 · arxiv_version: cond-mat/0009422v4 · doi: 10.48550/arxiv.cond-mat/0009422 · pith_short_12: EPFQ2A7HKZGU · pith_short_16: EPFQ2A7HKZGUJQ6V · pith_short_8: EPFQ2A7H

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/EPFQ2A7HKZGUJQ6VK6WHH4FPAS \
  | 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: 23cb0d03e7564d44c3d557ac73f0af0483f7cb2ea89faf8ea872f9ad0eab9535

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c05bcebbb88f5be21a8f52778f029b03decf1987022062c3bc78536c7fe26ff7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2000-09-27T11:32:10Z",
    "title_canon_sha256": "7af5627b0d566f2a8a9bfed425dce1546a6042e02be029fd64c26576bba03baf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0009422",
    "kind": "arxiv",
    "version": 4
  }
}