Pith Number

pith:PWUUHTKL

pith:2025:PWUUHTKLQXUVTAAYKEYA4WCDY2

not attested not anchored not stored refs pending

Group Fair Matchings using Convex Cost Functions

Anand Louis, Atasi Panda, Harsh Sharma, Prajakta Nimbhorkar

arxiv:2508.12549 v1 · 2025-08-18 · cs.GT · cs.DS · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PWUUHTKLQXUVTAAYKEYA4WCDY2}

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	2026-07-05T11:55:22.881908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7da943cd4b85e959801851300e5843c6a913e2994e916087692a2861646f4745

Aliases

arxiv: 2508.12549 · arxiv_version: 2508.12549v1 · doi: 10.48550/arxiv.2508.12549 · pith_short_12: PWUUHTKLQXUV · pith_short_16: PWUUHTKLQXUVTAAY · pith_short_8: PWUUHTKL

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/PWUUHTKLQXUVTAAYKEYA4WCDY2 \
  | 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: 7da943cd4b85e959801851300e5843c6a913e2994e916087692a2861646f4745

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b550234463b538f5fce5d548b1fee75fe18afec5a10071a603fee42d84d2b1d8",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.MA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2025-08-18T01:05:51Z",
    "title_canon_sha256": "b329d7f07b34c2d1247d0e2d432069e18cdeb609b5be4ccf980797cf4258756d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.12549",
    "kind": "arxiv",
    "version": 1
  }
}