Pith Number

pith:MZQCBOK3

pith:2019:MZQCBOK3X3II6MR4XZKCVFFJEH

not attested not anchored not stored refs pending

Deeper Text Understanding for IR with Contextual Neural Language Modeling

Jamie Callan, Zhuyun Dai

arxiv:1905.09217 v1 · 2019-05-22 · cs.IR · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZQCBOK3X3II6MR4XZKCVFFJEH}

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	2026-05-17T23:45:21.601312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

666020b95bbed08f323cbe542a94a921c711639bd36341c78c2016c61a1b12d2

Aliases

arxiv: 1905.09217 · arxiv_version: 1905.09217v1 · doi: 10.48550/arxiv.1905.09217 · pith_short_12: MZQCBOK3X3II · pith_short_16: MZQCBOK3X3II6MR4 · pith_short_8: MZQCBOK3

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/MZQCBOK3X3II6MR4XZKCVFFJEH \
  | 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: 666020b95bbed08f323cbe542a94a921c711639bd36341c78c2016c61a1b12d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d82bd2d5da1b19e213cb20354cd9c80d595721eba2b83fa4d6ea71d1e330663f",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-05-22T16:11:47Z",
    "title_canon_sha256": "03e60bc95dd1acecb66581a29fa0d856f30350ff98576e82022e29db02b4f33a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09217",
    "kind": "arxiv",
    "version": 1
  }
}