Pith Number

pith:6PKITAI5

pith:2012:6PKITAI5AHX6XATZV3FB7Z5E5V

not attested not anchored not stored refs pending

Supercharging Recommender Systems using Taxonomies for Learning User Purchase Behavior

Amr Ahmed, Bhargav Kanagal, Jeff Yuan, Lluis Garcia-Pueyo, Sandeep Pandey, Vanja Josifovski

arxiv:1207.0136 v1 · 2012-06-30 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6PKITAI5AHX6XATZV3FB7Z5E5V}

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	2026-05-18T03:52:00.233570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3d489811d01efeb8279aeca1fe7a4ed5bde4ecf0adb4667f67c324de3937087

Aliases

arxiv: 1207.0136 · arxiv_version: 1207.0136v1 · doi: 10.48550/arxiv.1207.0136 · pith_short_12: 6PKITAI5AHX6 · pith_short_16: 6PKITAI5AHX6XATZ · pith_short_8: 6PKITAI5

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/6PKITAI5AHX6XATZV3FB7Z5E5V \
  | 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: f3d489811d01efeb8279aeca1fe7a4ed5bde4ecf0adb4667f67c324de3937087

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3f69e3c4211f21f29949865d167c1d9def2d14773c61f3c18e235480c9de5a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-06-30T20:17:05Z",
    "title_canon_sha256": "d053aef2f2f201edf69ce0676cae9dece26489690c312f45e1a2c1e903f4d944"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0136",
    "kind": "arxiv",
    "version": 1
  }
}