Pith Number

pith:GEYPE2F5

pith:2020:GEYPE2F54RO7ETGBDXPUQDIYHH

not attested not anchored not stored refs pending

Approximate Nearest Neighbor Negative Contrastive Learning for Dense Text Retrieval

Arnold Overwijk, Chenyan Xiong, Jialin Liu, Junaid Ahmed, Kwok-Fung Tang, Lee Xiong, Paul Bennett, Ye Li

arxiv:2007.00808 v2 · 2020-07-01 · cs.IR · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GEYPE2F54RO7ETGBDXPUQDIYHH}

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

34 papers in Pith

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CoDeR: Local Constraint-Compatible Retrieval Beyond Semantic Similarity

Receipt and verification

First computed	2026-07-05T01:44:49.370100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3130f268bde45df24cc11ddf480d1839f161edf2e7bc1ca3f10af5b709f901c0

Aliases

arxiv: 2007.00808 · arxiv_version: 2007.00808v2 · doi: 10.48550/arxiv.2007.00808 · pith_short_12: GEYPE2F54RO7 · pith_short_16: GEYPE2F54RO7ETGB · pith_short_8: GEYPE2F5

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/GEYPE2F54RO7ETGBDXPUQDIYHH \
  | 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: 3130f268bde45df24cc11ddf480d1839f161edf2e7bc1ca3f10af5b709f901c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1efd50254258e8be91a5b204910063254dfe8d9ef3322fd9e2089e69f057e85b",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-07-01T23:15:56Z",
    "title_canon_sha256": "555b005abbac6178ab01c17cd261815599964df2c06be23d81af176d10876441"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.00808",
    "kind": "arxiv",
    "version": 2
  }
}