Pith Number

pith:SDZPHIYR

pith:2017:SDZPHIYR4UPGVFMPMIV3N2AHQT

not attested not anchored not stored refs pending

Semantic Entity Retrieval Toolkit

Christophe Van Gysel, Evangelos Kanoulas, Maarten de Rijke

arxiv:1706.03757 v2 · 2017-06-12 · cs.CL · cs.AI · 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{SDZPHIYR4UPGVFMPMIV3N2AHQT}

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	2026-05-18T00:40:12.794336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90f2f3a311e51e6a958f622bb6e80784f694dfbd4c324e93b3bb99c6800bf05b

Aliases

arxiv: 1706.03757 · arxiv_version: 1706.03757v2 · doi: 10.48550/arxiv.1706.03757 · pith_short_12: SDZPHIYR4UPG · pith_short_16: SDZPHIYR4UPGVFMP · pith_short_8: SDZPHIYR

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/SDZPHIYR4UPGVFMPMIV3N2AHQT \
  | 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: 90f2f3a311e51e6a958f622bb6e80784f694dfbd4c324e93b3bb99c6800bf05b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccedb31359c244ba0f60799c11f6ff21f1023599305d0c63a0a7045c596fbe8d",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-06-12T17:51:05Z",
    "title_canon_sha256": "6c77a0a1cdf3b165c338ebcecad65c32a96bf9201438e1bb4b0c269e866d8c6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03757",
    "kind": "arxiv",
    "version": 2
  }
}