Pith Number

pith:BPXYPKEH

pith:2019:BPXYPKEHEA7YIQ5BT6WRJ2H3CC

not attested not anchored not stored refs pending

Parking on the integers

Alexander Roberts, Alex Scott, Micha{\l} Przykucki

arxiv:1907.09437 v2 · 2019-07-22 · math.PR · 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{BPXYPKEHEA7YIQ5BT6WRJ2H3CC}

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.

Cited by

1 paper in Pith

Two-type annihilating systems on the complete and star graph

Receipt and verification

First computed	2026-07-05T03:06:57.071870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bef87a887203f8443a19fad14e8fb109eae8fee986d29a87791a1e6895922c3

Aliases

arxiv: 1907.09437 · arxiv_version: 1907.09437v2 · doi: 10.48550/arxiv.1907.09437 · pith_short_12: BPXYPKEHEA7Y · pith_short_16: BPXYPKEHEA7YIQ5B · pith_short_8: BPXYPKEH

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/BPXYPKEHEA7YIQ5BT6WRJ2H3CC \
  | 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: 0bef87a887203f8443a19fad14e8fb109eae8fee986d29a87791a1e6895922c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "150f5350c1da3c1c5adfdb8e6067307bcc080741cf032dfd9021b89a45d405a5",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2019-07-22T17:21:31Z",
    "title_canon_sha256": "f72f399dc67bf1d1725c7faf499fe11888b0a547d7036196d59126c4f6bbbbe2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09437",
    "kind": "arxiv",
    "version": 2
  }
}