Pith Number

pith:JLCUA4GS

pith:2021:JLCUA4GSSCKVMURJOOQHOC7QQY

not attested not anchored not stored refs pending

Chronological Citation Recommendation with Time Preference

Chengzhi Zhang, Heng Zhang, Shutian Ma, Xiaozhong Liu

arxiv:2101.07609 v1 · 2021-01-19 · cs.IR · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JLCUA4GSSCKVMURJOOQHOC7QQY}

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	2026-07-05T02:07:59.570214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ac54070d2909556522973a0770bf08634ce6fd9822c181e6f2521b8b7fd6094

Aliases

arxiv: 2101.07609 · arxiv_version: 2101.07609v1 · doi: 10.48550/arxiv.2101.07609 · pith_short_12: JLCUA4GSSCKV · pith_short_16: JLCUA4GSSCKVMURJ · pith_short_8: JLCUA4GS

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/JLCUA4GSSCKVMURJOOQHOC7QQY \
  | 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: 4ac54070d2909556522973a0770bf08634ce6fd9822c181e6f2521b8b7fd6094

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4673d9e16fd1557fcfa147aa49738ab055aeeefb4b63f3c9f037cd5a1b509a8",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-01-19T13:18:05Z",
    "title_canon_sha256": "8afcbcb726dff01040343d0e2f8541fe249f3755c96f15c44a6195e28b370566"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.07609",
    "kind": "arxiv",
    "version": 1
  }
}