Pith Number

pith:52ME4ZVF

pith:2019:52ME4ZVFWRH4CK7272MOPDDERB

not attested not anchored not stored refs pending

Duet at TREC 2019 Deep Learning Track

Bhaskar Mitra, Nick Craswell

arxiv:1912.04471 v1 · 2019-12-10 · cs.IR · cs.CL · 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{52ME4ZVFWRH4CK7272MOPDDERB}

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	2026-07-05T00:24:59.526685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee984e66a5b44fc12bfafe98e78c648857d5fdff37302c84c99435c4dfce50ab

Aliases

arxiv: 1912.04471 · arxiv_version: 1912.04471v1 · doi: 10.48550/arxiv.1912.04471 · pith_short_12: 52ME4ZVFWRH4 · pith_short_16: 52ME4ZVFWRH4CK72 · pith_short_8: 52ME4ZVF

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/52ME4ZVFWRH4CK7272MOPDDERB \
  | 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: ee984e66a5b44fc12bfafe98e78c648857d5fdff37302c84c99435c4dfce50ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41a176541a4f8eef2176cfe6bf88983b2ea4d6186e73ef1a3149364c79637ffe",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-12-10T03:23:05Z",
    "title_canon_sha256": "cea62cfa68d8252720f0a77afa4746d70ea687621466439f705e2cd6d4b911d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.04471",
    "kind": "arxiv",
    "version": 1
  }
}