Pith Number

pith:SD5XBPT3

pith:2015:SD5XBPT3K7FGE4HDHMTUGNTNW4

not attested not anchored not stored refs pending

Blind, Greedy, and Random: Ordinal Approximation Algorithms for Matching and Clustering

Elliot Anshelevich, Shreyas Sekar

arxiv:1512.05504 v2 · 2015-12-17 · cs.GT · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SD5XBPT3K7FGE4HDHMTUGNTNW4}

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	2026-05-18T01:10:07.805026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90fb70be7b57ca6270e33b2743366db7234f43a751e652d111d6160187e8f278

Aliases

arxiv: 1512.05504 · arxiv_version: 1512.05504v2 · doi: 10.48550/arxiv.1512.05504 · pith_short_12: SD5XBPT3K7FG · pith_short_16: SD5XBPT3K7FGE4HD · pith_short_8: SD5XBPT3

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/SD5XBPT3K7FGE4HDHMTUGNTNW4 \
  | 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: 90fb70be7b57ca6270e33b2743366db7234f43a751e652d111d6160187e8f278

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cb8c32ae2d13be0a77daf10d60a895825ef9a8170c16ae6b7afb5f908a05ca9",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2015-12-17T09:29:48Z",
    "title_canon_sha256": "03237da9eb4f4c7500781ad7f8195eb40fae1d0b366b0e7f78dd162e5ee384bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05504",
    "kind": "arxiv",
    "version": 2
  }
}