Pith Number

pith:JCKY7UTF

pith:2015:JCKY7UTF3QNNO5EUT5LTQAPGQL

not attested not anchored not stored refs pending

Identifying Relevant Document Facets for Keyword-Based Search Queries

Lanbo Zhang

arxiv:1501.00744 v1 · 2015-01-05 · 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{JCKY7UTF3QNNO5EUT5LTQAPGQL}

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	2026-05-18T02:30:01.887140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48958fd265dc1ad774949f573801e682d3f6a23036abb232ee24b0087be9f3f4

Aliases

arxiv: 1501.00744 · arxiv_version: 1501.00744v1 · doi: 10.48550/arxiv.1501.00744 · pith_short_12: JCKY7UTF3QNN · pith_short_16: JCKY7UTF3QNNO5EU · pith_short_8: JCKY7UTF

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/JCKY7UTF3QNNO5EUT5LTQAPGQL \
  | 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: 48958fd265dc1ad774949f573801e682d3f6a23036abb232ee24b0087be9f3f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "777a79f489238fd39736491c0cd4593bd9fbe22f81bf261279aaee884b953492",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-01-05T01:49:11Z",
    "title_canon_sha256": "e1bebfa17fb99986677cd5f9c87a1d5eb9b5f3dd9c319e1a0e2c5bd4c71cedbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00744",
    "kind": "arxiv",
    "version": 1
  }
}