Pith Number

pith:JFBA6MPO

pith:2019:JFBA6MPOJJPUVZYSPT5PKYQSCL

not attested not anchored not stored refs pending

Improved bounds for induced poset saturation

Heather C. Smith, Ryan R. Martin, Shanise Walker

arxiv:1908.01108 v1 · 2019-08-03 · 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{JFBA6MPOJJPUVZYSPT5PKYQSCL}

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	2026-07-04T23:51:27.255049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49420f31ee4a5f4ae7127cfaf5621212dd7c69d7f9ba9423cddcffe3b93ef54a

Aliases

arxiv: 1908.01108 · arxiv_version: 1908.01108v1 · doi: 10.48550/arxiv.1908.01108 · pith_short_12: JFBA6MPOJJPU · pith_short_16: JFBA6MPOJJPUVZYS · pith_short_8: JFBA6MPO

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/JFBA6MPOJJPUVZYSPT5PKYQSCL \
  | 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: 49420f31ee4a5f4ae7127cfaf5621212dd7c69d7f9ba9423cddcffe3b93ef54a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08b19b544d562b7f62625489f6e21be68446ae8c4ce3b188807e0c9a55a8749d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-08-03T02:27:31Z",
    "title_canon_sha256": "c48034716262766163e5c1b1d46fd860e69fd3c6b3714960db01320cc6385407"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01108",
    "kind": "arxiv",
    "version": 1
  }
}