Pith Number

pith:27P22QYG

pith:2010:27P22QYGCVMBO4TUMIUJ3BI6NW

not attested not anchored not stored refs pending

A New Email Retrieval Ranking Approach

Basma Hassan (2), Cairo University, Egypt), Egypt (2) Department of Computer Science, Faculty of Computers, Fayoum, Fayoum University, Giza, Information, Reem Bahgat (1) ((1) Department of Computer Science, Samir AbdelRahman (1)

arxiv:1011.0502 v1 · 2010-11-02 · 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{27P22QYGCVMBO4TUMIUJ3BI6NW}

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	2026-05-18T04:37:21.511930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7dfad4306155817727462289d851e6da80a82301dd8febe66cc10cf5fb5615e

Aliases

arxiv: 1011.0502 · arxiv_version: 1011.0502v1 · doi: 10.48550/arxiv.1011.0502 · pith_short_12: 27P22QYGCVMB · pith_short_16: 27P22QYGCVMBO4TU · pith_short_8: 27P22QYG

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/27P22QYGCVMBO4TUMIUJ3BI6NW \
  | 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: d7dfad4306155817727462289d851e6da80a82301dd8febe66cc10cf5fb5615e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ae8f29522a165f7e2bcbbed32b0addaad7ae023704988ba10f8a215f0193912",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2010-11-02T02:32:40Z",
    "title_canon_sha256": "29d5a8501ad4dba6745f28199d5721a77649efaaec6f5b7a4d8d3dc414b31b4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.0502",
    "kind": "arxiv",
    "version": 1
  }
}