Pith Number

pith:HSWSFHZU

pith:2018:HSWSFHZUAGK2MMIZHKTATWQ3EU

not attested not anchored not stored refs pending

The Poset of Mesh Patterns

Henning Ulfarsson, Jason P. Smith

arxiv:1802.08672 v1 · 2018-02-23 · 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{HSWSFHZUAGK2MMIZHKTATWQ3EU}

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	2026-05-18T00:22:40.829190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cad229f340195a631193aa609da1b251ce4d13b59da6c51fc751a5ef5305e55

Aliases

arxiv: 1802.08672 · arxiv_version: 1802.08672v1 · doi: 10.48550/arxiv.1802.08672 · pith_short_12: HSWSFHZUAGK2 · pith_short_16: HSWSFHZUAGK2MMIZ · pith_short_8: HSWSFHZU

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/HSWSFHZUAGK2MMIZHKTATWQ3EU \
  | 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: 3cad229f340195a631193aa609da1b251ce4d13b59da6c51fc751a5ef5305e55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "866054cc086fdd1113e47191f23b733308961113a5db33c55e58bdba13ea745e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-02-23T18:42:46Z",
    "title_canon_sha256": "c39979d5296d5bc994272f7bbc20d20b7054a368ba5ab1a05923ebd50890518f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08672",
    "kind": "arxiv",
    "version": 1
  }
}