Pith Number

pith:CVCGYPWJ

pith:2014:CVCGYPWJCSBQSQ7KTEAK7Z5Z4M

not attested not anchored not stored refs pending

Personalized recommendation against crowd's popular selection

Haifeng Liu, Hui Tian, Shimin Cai, Xuzhen Zhu

arxiv:1403.0353 v4 · 2014-03-03 · cs.IR · cs.SI · physics.soc-ph

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

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	2026-05-18T02:51:58.483542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15446c3ec914830943ea9900afe7b9e3055ee51ccbef82ae1416865d4a860c19

Aliases

arxiv: 1403.0353 · arxiv_version: 1403.0353v4 · doi: 10.48550/arxiv.1403.0353 · pith_short_12: CVCGYPWJCSBQ · pith_short_16: CVCGYPWJCSBQSQ7K · pith_short_8: CVCGYPWJ

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/CVCGYPWJCSBQSQ7KTEAK7Z5Z4M \
  | 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: 15446c3ec914830943ea9900afe7b9e3055ee51ccbef82ae1416865d4a860c19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afc293221833040bc600e4a595e126152fd0ee6790cb5ecf70ca42c50845a44f",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2014-03-03T09:45:22Z",
    "title_canon_sha256": "d097bee869fa0dba179beb3f82e3b6cb0b306d77c6770debd890bbb5ee6e42f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0353",
    "kind": "arxiv",
    "version": 4
  }
}