Pith Number

pith:7MXTK4GW

pith:2020:7MXTK4GWTJJB45FDRZVU7EBBRR

not attested not anchored not stored refs pending

University of Washington at TREC 2020 Fairness Ranking Track

Chirag Shah, Daniel Saelid, Ke Li, Ruoyuan Gao, Yunhe Feng

arxiv:2011.02066 v2 · 2020-11-03 · 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{7MXTK4GWTJJB45FDRZVU7EBBRR}

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	2026-07-05T01:53:22.854403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb2f3570d69a521e74a38e6b4f90218c679af0175ee412d7b7fffb59bbf5f4d1

Aliases

arxiv: 2011.02066 · arxiv_version: 2011.02066v2 · doi: 10.48550/arxiv.2011.02066 · pith_short_12: 7MXTK4GWTJJB · pith_short_16: 7MXTK4GWTJJB45FD · pith_short_8: 7MXTK4GW

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/7MXTK4GWTJJB45FDRZVU7EBBRR \
  | 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: fb2f3570d69a521e74a38e6b4f90218c679af0175ee412d7b7fffb59bbf5f4d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4986674c4b097772b25f4bd9b5886215f5b89f56b2dbb4e1133d690fcc670cb5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-11-03T23:40:54Z",
    "title_canon_sha256": "8044448a0f14261e7998b696a845caa47d078e529fa26fe828bff689fc5103be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.02066",
    "kind": "arxiv",
    "version": 2
  }
}