Pith Number

pith:TS6C2QOY

pith:2015:TS6C2QOYF3Y6T5VXCC5RNSWRJX

not attested not anchored not stored refs pending

Personalized Web Search

Li Zhou

arxiv:1502.01057 v1 · 2015-02-03 · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TS6C2QOYF3Y6T5VXCC5RNSWRJX}

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	2026-05-18T02:27:58.108209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cbc2d41d82ef1e9f6b710bb16cad14de0baef33877956d634aad25e6a18525e

Aliases

arxiv: 1502.01057 · arxiv_version: 1502.01057v1 · doi: 10.48550/arxiv.1502.01057 · pith_short_12: TS6C2QOYF3Y6 · pith_short_16: TS6C2QOYF3Y6T5VX · pith_short_8: TS6C2QOY

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/TS6C2QOYF3Y6T5VXCC5RNSWRJX \
  | 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: 9cbc2d41d82ef1e9f6b710bb16cad14de0baef33877956d634aad25e6a18525e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df0aa64ac244fc0342bbed3f06d97e330843ba3f9806b9ad48456b40dbe05a3d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-02-03T22:37:37Z",
    "title_canon_sha256": "795af47438cf32f5560c429409bbe3336c50c031545797633d9b22edf73a9236"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01057",
    "kind": "arxiv",
    "version": 1
  }
}