Pith Number

pith:N3424V2M

pith:2020:N3424V2MZ3QNJCD6CFHC5E2L5P

not attested not anchored not stored refs pending

How to Investigate the Historical Roots and Evolution of Research Fields in China? A Case Study on iMetrics Using RootCite

Mengjia Wu, Qiang Yao, Qian Li, Xin Li, Xuli Tang

arxiv:2007.14301 v3 · 2020-07-28 · 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{N3424V2MZ3QNJCD6CFHC5E2L5P}

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	2026-07-05T01:26:42.196443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ef9ae574ccee0d4887e114e2e934bebf8b778fe1cab642ffa9d47c01e86c710

Aliases

arxiv: 2007.14301 · arxiv_version: 2007.14301v3 · doi: 10.48550/arxiv.2007.14301 · pith_short_12: N3424V2MZ3QN · pith_short_16: N3424V2MZ3QNJCD6 · pith_short_8: N3424V2M

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/N3424V2MZ3QNJCD6CFHC5E2L5P \
  | 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: 6ef9ae574ccee0d4887e114e2e934bebf8b778fe1cab642ffa9d47c01e86c710

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47ca16969a643fd03e94012303c13fcdf96efc492442606279efbb6bc7d12b0e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2020-07-28T15:16:25Z",
    "title_canon_sha256": "6a2dbab6c93acf3f13653a11ee13b883091f5bd5a4a5ab9065c758cfc07e71f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.14301",
    "kind": "arxiv",
    "version": 3
  }
}