Pith Number

pith:X2LKEWYZ

pith:2021:X2LKEWYZSZYRZ53Q6ABVNWRMWD

not attested not anchored not stored refs pending

The h-index is no longer an effective correlate of scientific reputation

David Hafner, Vladlen Koltun

arxiv:2102.03234 v1 · 2021-02-05 · 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{X2LKEWYZSZYRZ53Q6ABVNWRMWD}

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	2026-07-05T03:14:10.363167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be96a25b1996711cf770f00356da2cb0e4b361ec33e85ee7a22ebca532e0b1ce

Aliases

arxiv: 2102.03234 · arxiv_version: 2102.03234v1 · doi: 10.48550/arxiv.2102.03234 · pith_short_12: X2LKEWYZSZYR · pith_short_16: X2LKEWYZSZYRZ53Q · pith_short_8: X2LKEWYZ

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/X2LKEWYZSZYRZ53Q6ABVNWRMWD \
  | 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: be96a25b1996711cf770f00356da2cb0e4b361ec33e85ee7a22ebca532e0b1ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "583ad275acc57cb38e6363a163c8d317dc79cf0020fe48d170ef91edd0988555",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2021-02-05T15:28:39Z",
    "title_canon_sha256": "4bf7612ac8769bccae6f2379bea041c11cdfdb6946a0bf18eaea3976664e5a8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.03234",
    "kind": "arxiv",
    "version": 1
  }
}