Pith Number

pith:YDPOAARZ

pith:2020:YDPOAARZ275SDZTR3CD7TT74V7

not attested not anchored not stored refs pending

The h-index and the Harmonic Mean

Massimo Germano

arxiv:2010.00639 v1 · 2020-10-01 · cs.DL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YDPOAARZ275SDZTR3CD7TT74V7}

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	2026-07-05T01:39:45.939048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0dee00239d7fb21e671d887f9cffcafe079b0ce817f35b9a9fa30f409ce1065

Aliases

arxiv: 2010.00639 · arxiv_version: 2010.00639v1 · doi: 10.48550/arxiv.2010.00639 · pith_short_12: YDPOAARZ275S · pith_short_16: YDPOAARZ275SDZTR · pith_short_8: YDPOAARZ

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/YDPOAARZ275SDZTR3CD7TT74V7 \
  | 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: c0dee00239d7fb21e671d887f9cffcafe079b0ce817f35b9a9fa30f409ce1065

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b4edefb0dce3093c9ae1ed813f88c26826800f6ab4ee461b402ef4489b8f484",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2020-10-01T18:40:24Z",
    "title_canon_sha256": "9974ca234d230ff48b6fe65f42aeb6f118461e2b847502b1468b481e011f9001"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.00639",
    "kind": "arxiv",
    "version": 1
  }
}