Pith Number

pith:B4BIACEJ

pith:2019:B4BIACEJFNKLSWCGSFJX6MJ3W2

not attested not anchored not stored refs pending

Personalized Bundle List Recommendation

Chang Zhou, Jinze Bai, Jun Gao, Junshuai Song, Weiting An, Xiaoru Qu, Zhao Li

arxiv:1904.01933 v1 · 2019-04-03 · cs.IR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B4BIACEJFNKLSWCGSFJX6MJ3W2}

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	2026-05-17T23:49:29.232616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f028008892b54b9584691537f313bb68206e24406b276c85230211fb3f0313c

Aliases

arxiv: 1904.01933 · arxiv_version: 1904.01933v1 · doi: 10.48550/arxiv.1904.01933 · pith_short_12: B4BIACEJFNKL · pith_short_16: B4BIACEJFNKLSWCG · pith_short_8: B4BIACEJ

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/B4BIACEJFNKLSWCGSFJX6MJ3W2 \
  | 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: 0f028008892b54b9584691537f313bb68206e24406b276c85230211fb3f0313c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78c481874ce97f6cb2c74a00de1016a01b9a40880b70d07317cea59a1f4317e3",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-04-03T11:51:43Z",
    "title_canon_sha256": "4ee2e8ae04ea4adedeb64a0698883f5c6810e3d666f9286ec015fffe0d2c08c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01933",
    "kind": "arxiv",
    "version": 1
  }
}