Pith Number

pith:SCHHTK4I

pith:2015:SCHHTK4IPQTMCHUCFIAGKYBPGI

not attested not anchored not stored refs pending

Negatively Correlated Search

Ke Tang, Peng Yang, Xin Yao

arxiv:1504.04914 v2 · 2015-04-20 · cs.NE · 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{SCHHTK4IPQTMCHUCFIAGKYBPGI}

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	2026-05-18T01:19:30.301876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

908e79ab887c26c11e822a0065602f321c266bb463e54dad36e253546aa19010

Aliases

arxiv: 1504.04914 · arxiv_version: 1504.04914v2 · doi: 10.48550/arxiv.1504.04914 · pith_short_12: SCHHTK4IPQTM · pith_short_16: SCHHTK4IPQTMCHUC · pith_short_8: SCHHTK4I

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/SCHHTK4IPQTMCHUCFIAGKYBPGI \
  | 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: 908e79ab887c26c11e822a0065602f321c266bb463e54dad36e253546aa19010

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cbfa8a0c77ede828f6fd2cbdfa0eba616bec4c432657720fdc7b7138ec59b16",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2015-04-20T01:51:39Z",
    "title_canon_sha256": "0906c45fe44649c92b1f351396d397c39a1f6b856a8f31a05434554b228d801f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04914",
    "kind": "arxiv",
    "version": 2
  }
}