Pith Number

pith:E3RV2YVQ

pith:2021:E3RV2YVQR4BJQJYUSSEZ7H3G2J

not attested not anchored not stored refs pending

WTR: A Test Collection for Web Table Retrieval

Brian D. Davison, Shuo Zhang, Zhiyu Chen

arxiv:2105.02354 v1 · 2021-05-05 · 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{E3RV2YVQR4BJQJYUSSEZ7H3G2J}

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	2026-07-05T02:38:00.483163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26e35d62b08f0298271494899f9f66d24cbe00d765bcebfdfb2169e7a75e983c

Aliases

arxiv: 2105.02354 · arxiv_version: 2105.02354v1 · doi: 10.48550/arxiv.2105.02354 · pith_short_12: E3RV2YVQR4BJ · pith_short_16: E3RV2YVQR4BJQJYU · pith_short_8: E3RV2YVQ

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/E3RV2YVQR4BJQJYUSSEZ7H3G2J \
  | 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: 26e35d62b08f0298271494899f9f66d24cbe00d765bcebfdfb2169e7a75e983c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07fc1dbd8d075b1dddf6de023ab8058b193dd08d5f041333a3f5a5b5f8051dba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-05-05T22:25:23Z",
    "title_canon_sha256": "f65856447b45ecfe6a3e49dea17c282cd62669404c0f51718e52f8721a09f19c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.02354",
    "kind": "arxiv",
    "version": 1
  }
}