Pith Number

pith:UTKLUZVU

pith:2021:UTKLUZVU54HRXMSHTGX2HT4WWX

not attested not anchored not stored refs pending

Designing Approximately Optimal Search on Matching Platforms

Alexander Wei, Brendan Lucier, Nicole Immorlica, Vahideh Manshadi

arxiv:2102.09017 v2 · 2021-02-17 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UTKLUZVU54HRXMSHTGX2HT4WWX}

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	2026-07-05T03:06:57.923486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4d4ba66b4ef0f1bb24799afa3cf96b5f3e1ce8d62126227a6ba02e8e514e5c9

Aliases

arxiv: 2102.09017 · arxiv_version: 2102.09017v2 · doi: 10.48550/arxiv.2102.09017 · pith_short_12: UTKLUZVU54HR · pith_short_16: UTKLUZVU54HRXMSH · pith_short_8: UTKLUZVU

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/UTKLUZVU54HRXMSHTGX2HT4WWX \
  | 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: a4d4ba66b4ef0f1bb24799afa3cf96b5f3e1ce8d62126227a6ba02e8e514e5c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7a151d4dcd9590168ebd4866df3c5a5815ed9d51343a4049f329cba0d8d5dcb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2021-02-17T20:27:14Z",
    "title_canon_sha256": "5bae6be2316602e7c245e84e259579dae5b2b76dea1d36002651a5f98d54288b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.09017",
    "kind": "arxiv",
    "version": 2
  }
}