Pith Number

pith:2N7ZX6JN

pith:2020:2N7ZX6JNJLMLZRWUXNQK4CZXLO

not attested not anchored not stored refs pending

New results on simplex-clusters in set systems

Gabriel Currier

arxiv:2001.01812 v2 · 2020-01-06 · 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{2N7ZX6JNJLMLZRWUXNQK4CZXLO}

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	2026-07-05T04:30:36.425378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d37f9bf92d4ad8bcc6d4bb60ae0b375bbf725dc2b32d67ae12eccfd6b03eff1a

Aliases

arxiv: 2001.01812 · arxiv_version: 2001.01812v2 · doi: 10.48550/arxiv.2001.01812 · pith_short_12: 2N7ZX6JNJLML · pith_short_16: 2N7ZX6JNJLMLZRWU · pith_short_8: 2N7ZX6JN

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/2N7ZX6JNJLMLZRWUXNQK4CZXLO \
  | 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: d37f9bf92d4ad8bcc6d4bb60ae0b375bbf725dc2b32d67ae12eccfd6b03eff1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21c65d0783b2694577bd21b4795e260e3ff025d395409a1309d1024705dab2b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2020-01-06T23:36:41Z",
    "title_canon_sha256": "a88491e10bb8b8deb34a2dcaeca61dc955590cda80b58abd23e36b986ca3c6c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.01812",
    "kind": "arxiv",
    "version": 2
  }
}