Pith Number

pith:FIIJRSA4

pith:2018:FIIJRSA4VDBGDO5RYZKP2CCK6F

not attested not anchored not stored refs pending

Error Detection in a Large-Scale Lexical Taxonomy

Hongzhi Wang, Sifan Liu

arxiv:1808.01690 v1 · 2018-08-05 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FIIJRSA4VDBGDO5RYZKP2CCK6F}

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	2026-05-18T00:08:52.150846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a1098c81ca8c261bbb1c654fd084af1539c4d371ae42824101516764dde1f40

Aliases

arxiv: 1808.01690 · arxiv_version: 1808.01690v1 · doi: 10.48550/arxiv.1808.01690 · pith_short_12: FIIJRSA4VDBG · pith_short_16: FIIJRSA4VDBGDO5R · pith_short_8: FIIJRSA4

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/FIIJRSA4VDBGDO5RYZKP2CCK6F \
  | 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: 2a1098c81ca8c261bbb1c654fd084af1539c4d371ae42824101516764dde1f40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40affa7823bfe11b341ee62ed7a30a2bebf18d113255aebd472335f8a281768c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-08-05T21:53:40Z",
    "title_canon_sha256": "314dc58a60ebb67b84134cadd0db85081067a19c8443a3d1e3f3cd341d39cba2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01690",
    "kind": "arxiv",
    "version": 1
  }
}