Pith Number

pith:SO6QJLK6

pith:2017:SO6QJLK6GQZRSXBH7D2D6QLLJR

not attested not anchored not stored refs pending

Field- and time-normalization of data with many zeros: An empirical analysis using citation and Twitter data

Lutz Bornmann, Robin Haunschild

arxiv:1712.09449 v2 · 2017-12-22 · 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{SO6QJLK6GQZRSXBH7D2D6QLLJR}

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	2026-05-17T23:51:34.263252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93bd04ad5e3433195c27f8f43f416b4c47b81bb597890975932eb06f856c76fc

Aliases

arxiv: 1712.09449 · arxiv_version: 1712.09449v2 · doi: 10.48550/arxiv.1712.09449 · pith_short_12: SO6QJLK6GQZR · pith_short_16: SO6QJLK6GQZRSXBH · pith_short_8: SO6QJLK6

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/SO6QJLK6GQZRSXBH7D2D6QLLJR \
  | 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: 93bd04ad5e3433195c27f8f43f416b4c47b81bb597890975932eb06f856c76fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a51edf20f0f10905b4ed61c72c8d0914b35e9202c00295648dc9fd0d8a0f2545",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2017-12-22T10:34:14Z",
    "title_canon_sha256": "3c6a5a5eb332bffda3e06b46c8c7711a367c096be552e1b89a05671a2354db74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09449",
    "kind": "arxiv",
    "version": 2
  }
}