Pith Number

pith:UM3BUY52

pith:2022:UM3BUY52OOUKEKSTXMI7HEN3P5

not attested not anchored not stored refs pending

Transfer Learning Approaches for Building Cross-Language Dense Retrieval Models

Dawn Lawrie, Douglas W. Oard, Eugene Yang, James Mayfield, Kenton Murray, Kevin Duh, Paul McNamee, Suraj Nair

arxiv:2201.08471 v1 · 2022-01-20 · 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{UM3BUY52OOUKEKSTXMI7HEN3P5}

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	2026-07-05T03:51:46.686570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3361a63ba73a8a22a53bb11f391bb7f7bbba628200a9a3fb506e39b3506cd05

Aliases

arxiv: 2201.08471 · arxiv_version: 2201.08471v1 · doi: 10.48550/arxiv.2201.08471 · pith_short_12: UM3BUY52OOUK · pith_short_16: UM3BUY52OOUKEKST · pith_short_8: UM3BUY52

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/UM3BUY52OOUKEKSTXMI7HEN3P5 \
  | 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: a3361a63ba73a8a22a53bb11f391bb7f7bbba628200a9a3fb506e39b3506cd05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc3648024fdbafc26b5aabac264a84c80cdccfad880d299d992b62281f68dde4",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-01-20T22:11:38Z",
    "title_canon_sha256": "22ba54c1f440387293b892be1c6582ecbce017e9d1cdd13be07165aadf3592b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.08471",
    "kind": "arxiv",
    "version": 1
  }
}