Pith Number

pith:WLIMXJ27

pith:2025:WLIMXJ27MCGLJZVUCHJKYLFKXK

not attested not anchored not stored refs pending

Birdie: Natural Language-Driven Table Discovery Using Differentiable Search Index

Baihua Zheng, Mingwei Zhou, Yunjun Gao, Yuren Mao, Yuxiang Guo, Zhonghao Hu

arxiv:2504.21282 v1 · 2025-04-30 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WLIMXJ27MCGLJZVUCHJKYLFKXK}

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	2026-07-05T10:56:21.406461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2d0cba75f608cb4e6b411d2ac2caaba9fb2f8089f89101d853381c0c3e19b7a

Aliases

arxiv: 2504.21282 · arxiv_version: 2504.21282v1 · doi: 10.48550/arxiv.2504.21282 · pith_short_12: WLIMXJ27MCGL · pith_short_16: WLIMXJ27MCGLJZVU · pith_short_8: WLIMXJ27

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/WLIMXJ27MCGLJZVUCHJKYLFKXK \
  | 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: b2d0cba75f608cb4e6b411d2ac2caaba9fb2f8089f89101d853381c0c3e19b7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c00a44959fd27df957e3d9b18344da14bb7019f684504b2e70a311a01343700b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2025-04-30T03:30:21Z",
    "title_canon_sha256": "94ca5d1d6c6dac7ca2a6745a778e703c527901998c72b5d52db06b9560c09fde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.21282",
    "kind": "arxiv",
    "version": 1
  }
}