Pith Number

pith:XIXHMYPX

pith:2017:XIXHMYPX2TJ7HO7TJ6EAUV34MY

not attested not anchored not stored refs pending

Learning from Ontology Streams with Semantic Concept Drift

Freddy Lecue, Huajun Chen, Jeff Pan, Jiaoyan Chen

arxiv:1704.07466 v1 · 2017-04-24 · 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{XIXHMYPX2TJ7HO7TJ6EAUV34MY}

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	2026-05-18T00:45:37.993348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba2e7661f7d4d3f3bbf34f880a577c662feee1f89d3d981ac3c5615dd2cd08ab

Aliases

arxiv: 1704.07466 · arxiv_version: 1704.07466v1 · doi: 10.48550/arxiv.1704.07466 · pith_short_12: XIXHMYPX2TJ7 · pith_short_16: XIXHMYPX2TJ7HO7T · pith_short_8: XIXHMYPX

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/XIXHMYPX2TJ7HO7TJ6EAUV34MY \
  | 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: ba2e7661f7d4d3f3bbf34f880a577c662feee1f89d3d981ac3c5615dd2cd08ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f946c694129c30c76698083fbf240e4101d9b43247a6d4a9f9d10a37c065482",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-04-24T21:12:13Z",
    "title_canon_sha256": "d9a1a52caa6069fcb5b81c19e67a54af50c4e4ec35e961bcf4e9934634e803d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07466",
    "kind": "arxiv",
    "version": 1
  }
}