Pith Number

pith:2ME53NC2

pith:2021:2ME53NC2HMYN5IWPMIN4GTGJXN

not attested not anchored not stored refs pending

More Robust Dense Retrieval with Contrastive Dual Learning

Chenyan Xiong, Yizhi Li, Zhenghao Liu, Zhiyuan Liu

arxiv:2107.07773 v1 · 2021-07-16 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ME53NC2HMYN5IWPMIN4GTGJXN}

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.

Cited by

1 paper in Pith

SPEAR: Selection-aware Personalized End-to-end Adaptive Rewriting and Retrieval for Community Search

Receipt and verification

First computed	2026-07-05T02:58:29.144541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d309ddb45a3b30dea2cf621bc34cc9bb5636e9fb5a4025ee0083acbbffea08c3

Aliases

arxiv: 2107.07773 · arxiv_version: 2107.07773v1 · doi: 10.48550/arxiv.2107.07773 · pith_short_12: 2ME53NC2HMYN · pith_short_16: 2ME53NC2HMYN5IWP · pith_short_8: 2ME53NC2

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/2ME53NC2HMYN5IWPMIN4GTGJXN \
  | 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: d309ddb45a3b30dea2cf621bc34cc9bb5636e9fb5a4025ee0083acbbffea08c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6af465ee3254751751d70c8feaec743d39465bf52a160488e0f85d7959718dde",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-07-16T08:59:36Z",
    "title_canon_sha256": "cda8ccc91521879457f05bc670ea01a93bcfd9539246cc2ef95b0d60b4704404"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.07773",
    "kind": "arxiv",
    "version": 1
  }
}