Pith Number

pith:D7CV6EDL

pith:2019:D7CV6EDLISGYCYOAFJVPOIQBZ7

not attested not anchored not stored refs pending

Minimal Braces

Marcelo H. de Carvalho, Nishad Kothari, Phelipe A. Fabres

arxiv:1903.11170 v2 · 2019-03-26 · 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{D7CV6EDLISGYCYOAFJVPOIQBZ7}

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	2026-05-22T01:03:13.180541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fc55f106b448d8161c02a6af72201cfc7d5f6a658d75cc30e56fef3c8d09b9a

Aliases

arxiv: 1903.11170 · arxiv_version: 1903.11170v2 · doi: 10.48550/arxiv.1903.11170 · pith_short_12: D7CV6EDLISGY · pith_short_16: D7CV6EDLISGYCYOA · pith_short_8: D7CV6EDL

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/D7CV6EDLISGYCYOAFJVPOIQBZ7 \
  | 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: 1fc55f106b448d8161c02a6af72201cfc7d5f6a658d75cc30e56fef3c8d09b9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68844925a3d4b79d75cec9acfe7dbb1f50046b655ae2a3bda5dbdabae6ac604d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-03-26T21:55:59Z",
    "title_canon_sha256": "506178cdbecbd56ebbf2c07694e3efbd432f91f2b6904b4585548fe00dc3ab24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11170",
    "kind": "arxiv",
    "version": 2
  }
}