Pith Number

pith:PJWJU6YK

pith:2013:PJWJU6YK7GYG726IVS7AMKV7EE

not attested not anchored not stored refs pending

On the topology of the permutation pattern poset

Einar Steingrimsson, Peter R. W. McNamara

arxiv:1305.5569 v2 · 2013-05-23 · 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{PJWJU6YK7GYG726IVS7AMKV7EE}

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	2026-05-18T02:20:47.859623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a6c9a7b0af9b06febc8acbe062abf21306c66ed8fe644a0544feb50165f0a40

Aliases

arxiv: 1305.5569 · arxiv_version: 1305.5569v2 · doi: 10.48550/arxiv.1305.5569 · pith_short_12: PJWJU6YK7GYG · pith_short_16: PJWJU6YK7GYG726I · pith_short_8: PJWJU6YK

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/PJWJU6YK7GYG726IVS7AMKV7EE \
  | 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: 7a6c9a7b0af9b06febc8acbe062abf21306c66ed8fe644a0544feb50165f0a40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bc2203efc223aa9810822ff4d05694fb4736c446527383bd96076b58e250b64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-05-23T21:22:38Z",
    "title_canon_sha256": "6505699b7fed31cade7077a463ee9bdb83ee7290ff152173311c749c581c5b04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5569",
    "kind": "arxiv",
    "version": 2
  }
}