Pith Number

pith:3UWUJOST

pith:2016:3UWUJOSTKT4QA443W6IXNSKZSM

not attested not anchored not stored refs pending

Question Answering on Linked Data: Challenges and Future Directions

Ashwini Jaya Kumar, Christoph Lange, Denis Lukovnikov, Harsh Thakkar, Kemele Endris, Kuldeep Singh, Saeedeh Shekarpour

arxiv:1601.03541 v2 · 2016-01-14 · 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{3UWUJOSTKT4QA443W6IXNSKZSM}

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	2026-05-18T01:20:40.225573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd2d44ba5354f900739bb79176c95993035949d42bf758ceeb355ebcba60350d

Aliases

arxiv: 1601.03541 · arxiv_version: 1601.03541v2 · doi: 10.48550/arxiv.1601.03541 · pith_short_12: 3UWUJOSTKT4Q · pith_short_16: 3UWUJOSTKT4QA443 · pith_short_8: 3UWUJOST

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/3UWUJOSTKT4QA443W6IXNSKZSM \
  | 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: dd2d44ba5354f900739bb79176c95993035949d42bf758ceeb355ebcba60350d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2b28f6e1fcc320169cf8fb1f938bb70e077d64c5abe19132a23ea3d7bfbcbcf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2016-01-14T10:21:06Z",
    "title_canon_sha256": "567bc3577f9dc8f9569147a879d694880f91f047ae122856d08fcbd8e0cb079e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03541",
    "kind": "arxiv",
    "version": 2
  }
}