Pith Number

pith:2PU2VXNP

pith:2021:2PU2VXNPL5L3X4WGTPZMNYB4HP

not attested not anchored not stored refs pending

Diversifying Multi-aspect Search Results Using Simpson's Diversity Index

Eugene Agichtein, Jianghong Zhou, Surya Kallumadi

arxiv:2105.10075 v1 · 2021-05-21 · 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{2PU2VXNPL5L3X4WGTPZMNYB4HP}

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	2026-07-05T02:42:07.161811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3e9aaddaf5f57bbf2c69bf2c6e03c3bcf5e7ffec8ecf2567cb13248b58ead8b

Aliases

arxiv: 2105.10075 · arxiv_version: 2105.10075v1 · doi: 10.48550/arxiv.2105.10075 · pith_short_12: 2PU2VXNPL5L3 · pith_short_16: 2PU2VXNPL5L3X4WG · pith_short_8: 2PU2VXNP

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/2PU2VXNPL5L3X4WGTPZMNYB4HP \
  | 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: d3e9aaddaf5f57bbf2c69bf2c6e03c3bcf5e7ffec8ecf2567cb13248b58ead8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dfff922115ec4021d1cf3aa8b41aafacf6b24fb6bf1ac35fdc2934bd9f347df",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-05-21T00:53:18Z",
    "title_canon_sha256": "a590c18af5c4f4ca9b101c926f96d775fe2ace656df1a526b3b615c746be6701"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.10075",
    "kind": "arxiv",
    "version": 1
  }
}