Pith Number

pith:NHQSVIED

pith:2012:NHQSVIEDUMY67N4UXF3M57UZMM

not attested not anchored not stored refs pending

On the sub-permutations of pattern avoiding permutations

Filippo Disanto, Thomas Wiehe

arxiv:1210.6908 v4 · 2012-10-25 · math.CO · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NHQSVIEDUMY67N4UXF3M57UZMM}

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	2026-05-18T02:48:43.706383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69e12aa083a331efb794b976cefe99631a0b3972f8161e88d0ef1e02d67ecf7a

Aliases

arxiv: 1210.6908 · arxiv_version: 1210.6908v4 · doi: 10.48550/arxiv.1210.6908 · pith_short_12: NHQSVIEDUMY6 · pith_short_16: NHQSVIEDUMY67N4U · pith_short_8: NHQSVIED

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/NHQSVIEDUMY67N4UXF3M57UZMM \
  | 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: 69e12aa083a331efb794b976cefe99631a0b3972f8161e88d0ef1e02d67ecf7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50d8cf587030edf32875caafd644cb66db680d0fc1e1e6a3bca8f97e75a7871f",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-10-25T17:00:26Z",
    "title_canon_sha256": "b00d57a86fc2655db92c844d2d456aabcad34d1fe76dca2c921ed893fa28d68d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6908",
    "kind": "arxiv",
    "version": 4
  }
}