Pith Number

pith:FF4TPM7M

pith:2016:FF4TPM7MXIQU7IMOCQGQI4C6Q5

not attested not anchored not stored refs pending

Estimating matching affinity matrix under low-rank constraints

Alfred Galichon, Arnaud Dupuy, Yifei Sun

arxiv:1612.09585 v1 · 2016-12-30 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FF4TPM7MXIQU7IMOCQGQI4C6Q5}

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	2026-05-18T00:53:41.165915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

297937b3ecba214fa18e140d04705e874ade2c3fbfe5d2e4d241b77795bd00d7

Aliases

arxiv: 1612.09585 · arxiv_version: 1612.09585v1 · doi: 10.48550/arxiv.1612.09585 · pith_short_12: FF4TPM7MXIQU · pith_short_16: FF4TPM7MXIQU7IMO · pith_short_8: FF4TPM7M

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/FF4TPM7MXIQU7IMOCQGQI4C6Q5 \
  | 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: 297937b3ecba214fa18e140d04705e874ade2c3fbfe5d2e4d241b77795bd00d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca81627c4fa8c67350aa4e3c88315932055d136b6fd2258a58b367d82f8eb055",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-12-30T20:18:07Z",
    "title_canon_sha256": "556cac2e6d10ff1f6d7f8b0fcc0f1d1810e2d0316477a9b92bd8a61965eff013"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.09585",
    "kind": "arxiv",
    "version": 1
  }
}