Pith Number

pith:NHQHPAKV

pith:2019:NHQHPAKV6KEV6TPB7AO4E7QD5Q

not attested not anchored not stored refs pending

Enumerating Parking Completions Using Join and Split

Ayomikun Adeniran, Cyrus Hettle, Galen Dorpalen-Barry, Hayan Nam, Jeremy L. Martin, Pamela E. Harris, Qingzhong Liang, Steve Butler

arxiv:1912.01688 v2 · 2019-12-03 · 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{NHQHPAKV6KEV6TPB7AO4E7QD5Q}

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	2026-07-05T01:47:12.288127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69e0778155f2895f4de1f81dc27e03ec0ef4b20a9dfee6f642dd9cddbcfd4db5

Aliases

arxiv: 1912.01688 · arxiv_version: 1912.01688v2 · doi: 10.48550/arxiv.1912.01688 · pith_short_12: NHQHPAKV6KEV · pith_short_16: NHQHPAKV6KEV6TPB · pith_short_8: NHQHPAKV

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/NHQHPAKV6KEV6TPB7AO4E7QD5Q \
  | 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: 69e0778155f2895f4de1f81dc27e03ec0ef4b20a9dfee6f642dd9cddbcfd4db5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2962cb46ae453f802481e6d1fc538f739292bf738177f50994fac3f80f39cb5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-12-03T21:29:14Z",
    "title_canon_sha256": "b6790126545e735575725a62e1103fd4b44a957428765860277df65f2640feb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.01688",
    "kind": "arxiv",
    "version": 2
  }
}