Pith Number

pith:IZT64TLT

pith:2014:IZT64TLTGXAPMRS72BPOE7SGIR

not attested not anchored not stored refs pending

Learning from Labeled Features for Document Filtering

Lanbo Zhang, Qianli Xing, Yi Zhang

arxiv:1412.8125 v1 · 2014-12-28 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IZT64TLTGXAPMRS72BPOE7SGIR}

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	2026-05-18T02:30:24.048745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4667ee4d7335c0f6465fd05ee27e4644502b99cc31a194bbef2471c4499717dd

Aliases

arxiv: 1412.8125 · arxiv_version: 1412.8125v1 · doi: 10.48550/arxiv.1412.8125 · pith_short_12: IZT64TLTGXAP · pith_short_16: IZT64TLTGXAPMRS7 · pith_short_8: IZT64TLT

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/IZT64TLTGXAPMRS72BPOE7SGIR \
  | 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: 4667ee4d7335c0f6465fd05ee27e4644502b99cc31a194bbef2471c4499717dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95460e88adf934baadbb97889a29a1d6dffcfc384c1b5165d95a3ef81fb2c5d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2014-12-28T07:32:09Z",
    "title_canon_sha256": "33fb4e49a5964a13b70cfeb2169ba750a7a90e7b9083b5d36bee8a18f65a2396"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8125",
    "kind": "arxiv",
    "version": 1
  }
}