Pith Number

pith:OLIDPDLS

pith:2016:OLIDPDLSJSVBOZ24SUWRS7ISGE

not attested not anchored not stored refs pending

On minimal graphs containing k perfect matchings

Gasper Fijavz, Matthias Kriesell

arxiv:1608.01445 v1 · 2016-08-04 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OLIDPDLSJSVBOZ24SUWRS7ISGE}

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	2026-05-18T01:09:52.420486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72d0378d724caa17675c952d197d123105ff6302af28cc246688337e076f5fea

Aliases

arxiv: 1608.01445 · arxiv_version: 1608.01445v1 · doi: 10.48550/arxiv.1608.01445 · pith_short_12: OLIDPDLSJSVB · pith_short_16: OLIDPDLSJSVBOZ24 · pith_short_8: OLIDPDLS

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/OLIDPDLSJSVBOZ24SUWRS7ISGE \
  | 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: 72d0378d724caa17675c952d197d123105ff6302af28cc246688337e076f5fea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9fbccc03a4c65c3d58a1cc327a96c1a01443b057186835e12fa7a6958f5acfb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-08-04T07:32:27Z",
    "title_canon_sha256": "7103bbdbe5daa2d2e89549c268133ed7fe34c3bd1acb53e5a7b6bf102427a50f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01445",
    "kind": "arxiv",
    "version": 1
  }
}