Pith Number

pith:TWBT65AV

pith:2021:TWBT65AV5FYNKKB6IMZB5SU4KE

not attested not anchored not stored refs pending

TREC Deep Learning Track: Reusable Test Collections in the Large Data Regime

Bhaskar Mitra, Daniel Campos, Ellen M. Voorhees, Emine Yilmaz, Ian Soboroff, Nick Craswell

arxiv:2104.09399 v1 · 2021-04-19 · cs.IR · cs.AI · 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{TWBT65AV5FYNKKB6IMZB5SU4KE}

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	2026-07-05T02:33:12.800009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d833f7415e970d5283e43321eca9c5102f7b19ad1909a0594f6b04f4df0d333

Aliases

arxiv: 2104.09399 · arxiv_version: 2104.09399v1 · doi: 10.48550/arxiv.2104.09399 · pith_short_12: TWBT65AV5FYN · pith_short_16: TWBT65AV5FYNKKB6 · pith_short_8: TWBT65AV

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/TWBT65AV5FYNKKB6IMZB5SU4KE \
  | 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: 9d833f7415e970d5283e43321eca9c5102f7b19ad1909a0594f6b04f4df0d333

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9baee53489d5180b6dd435e4975172de9591444d48d6f57f5af2703c2adb8930",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-04-19T15:41:28Z",
    "title_canon_sha256": "19d4d7b3ed2cfdcf4d03c8b87300c616af5738fdba54c5f6ffb511dac524a56d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.09399",
    "kind": "arxiv",
    "version": 1
  }
}