Pith Number

pith:EGIQCGYO

pith:2018:EGIQCGYOKANVS3POR5TXHSDYOT

not attested not anchored not stored refs pending

Author-topic profiles for academic search

Arjen P. de Vries, Suzan Verberne, Wessel Kraaij

arxiv:1804.11131 v1 · 2018-04-30 · 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{EGIQCGYOKANVS3POR5TXHSDYOT}

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	2026-05-18T00:17:14.544477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2191011b0e501b596dee8f6773c87874f84e6f3735d33e6249717f14f0110a5c

Aliases

arxiv: 1804.11131 · arxiv_version: 1804.11131v1 · doi: 10.48550/arxiv.1804.11131 · pith_short_12: EGIQCGYOKANV · pith_short_16: EGIQCGYOKANVS3PO · pith_short_8: EGIQCGYO

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/EGIQCGYOKANVS3POR5TXHSDYOT \
  | 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: 2191011b0e501b596dee8f6773c87874f84e6f3735d33e6249717f14f0110a5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "743b3543545d6379a1667f282e6e7998860b15b1c912b78146fcf33ba0d3390d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-04-30T11:43:12Z",
    "title_canon_sha256": "57807662a641b73a929ba5f4174f7e6c53fac9ed5d916e33beb7d67fb1666efc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11131",
    "kind": "arxiv",
    "version": 1
  }
}