Pith Number

pith:UQXWMG62

pith:2019:UQXWMG62ABQU4JHSUI767RHHHM

not attested not anchored not stored refs pending

MatchTheNet -- An Educational Game on 3-Dimensional Polytopes

Benjamin Lorenz, Georg Loho, Michael Joswig, Rico Raber

arxiv:1907.02945 v1 · 2019-07-04 · math.HO · math.CO · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UQXWMG62ABQU4JHSUI767RHHHM}

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	2026-05-17T23:41:22.571537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a42f661bda00614e24f2a23fefc4e73b3f72c694d1fb029c64b775df76eff8fa

Aliases

arxiv: 1907.02945 · arxiv_version: 1907.02945v1 · doi: 10.48550/arxiv.1907.02945 · pith_short_12: UQXWMG62ABQU · pith_short_16: UQXWMG62ABQU4JHS · pith_short_8: UQXWMG62

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/UQXWMG62ABQU4JHSUI767RHHHM \
  | 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: a42f661bda00614e24f2a23fefc4e73b3f72c694d1fb029c64b775df76eff8fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ba01ef601a5a57b78604d4b133a7a9fad5aca6e2801f39dcc0e914aa6983efd",
    "cross_cats_sorted": [
      "math.CO",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2019-07-04T13:01:50Z",
    "title_canon_sha256": "6e4ac1a77c29faa96dedf0980e287e675113449b89fe2bc461f01b06ef02a7ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02945",
    "kind": "arxiv",
    "version": 1
  }
}