Pith Number

pith:LFFIZMRB

pith:2021:LFFIZMRBAGH7W27U4ECLAEUPFW

not attested not anchored not stored refs pending

SIGIR 2021 E-Commerce Workshop Data Challenge

Bingqing Yu, Ciro Greco, Federico Bianchi, Giovanni Cassani, Jacopo Tagliabue, Jean-Francis Roy, Patrick John Chia

arxiv:2104.09423 v4 · 2021-04-19 · 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{LFFIZMRBAGH7W27U4ECLAEUPFW}

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	2026-07-05T02:58:26.103249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

594a8cb221018ffb6bf4e104b0128f2d98296dc3f1ee981b635e7eb5a55541b2

Aliases

arxiv: 2104.09423 · arxiv_version: 2104.09423v4 · doi: 10.48550/arxiv.2104.09423 · pith_short_12: LFFIZMRBAGH7 · pith_short_16: LFFIZMRBAGH7W27U · pith_short_8: LFFIZMRB

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/LFFIZMRBAGH7W27U4ECLAEUPFW \
  | 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: 594a8cb221018ffb6bf4e104b0128f2d98296dc3f1ee981b635e7eb5a55541b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d691875aa30bdf133be4ecb5d93dd7abf632b7fd494b163e5399654a9f61165",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-04-19T16:16:25Z",
    "title_canon_sha256": "3aa954f0d83386c05db20538b47630e0e8e2936f9b624744589c23d53b4453b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.09423",
    "kind": "arxiv",
    "version": 4
  }
}