Pith Number

pith:VDXFV4TQ

pith:2019:VDXFV4TQKJRRIRJNNRRWYM5V6X

not attested not anchored not stored refs pending

Every child should have parents: a taxonomy refinement algorithm based on hyperbolic term embeddings

Alexander Ossa, Alexander Panchenko, Arne K\"ohn, Chris Biemann, Rami Aly, Shantanu Acharya

arxiv:1906.02002 v1 · 2019-06-05 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VDXFV4TQKJRRIRJNNRRWYM5V6X}

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	2026-05-17T23:44:05.454223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8ee5af270526314452d6c636c33b5f5dd6a636e9a081d3cc4fe823db7d6ef93

Aliases

arxiv: 1906.02002 · arxiv_version: 1906.02002v1 · doi: 10.48550/arxiv.1906.02002 · pith_short_12: VDXFV4TQKJRR · pith_short_16: VDXFV4TQKJRRIRJN · pith_short_8: VDXFV4TQ

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/VDXFV4TQKJRRIRJNNRRWYM5V6X \
  | 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: a8ee5af270526314452d6c636c33b5f5dd6a636e9a081d3cc4fe823db7d6ef93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c304c1bb14433283b8d23bb855344ea7622c1999bf575e761fda48ee2aacd69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-05T12:54:14Z",
    "title_canon_sha256": "a67918787eba928a2f170f2767e32a8c5ea4f68f77089fc718dc2789815e14f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02002",
    "kind": "arxiv",
    "version": 1
  }
}