Pith Number

pith:GWKZJ6WD

pith:2014:GWKZJ6WDIRTFG5O3JLCT5ZSJ43

not attested not anchored not stored refs pending

Deflatability of Permutation Classes

Cheyne Homberger, Jay Pantone, M. D. Atkinson, M. H. Albert

arxiv:1409.5296 v1 · 2014-09-18 · 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{GWKZJ6WDIRTFG5O3JLCT5ZSJ43}

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	2026-05-18T02:42:29.955042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

359594fac344665375db4ac53ee649e6fc5e07a0aa8210c4dc565fd7969efab4

Aliases

arxiv: 1409.5296 · arxiv_version: 1409.5296v1 · doi: 10.48550/arxiv.1409.5296 · pith_short_12: GWKZJ6WDIRTF · pith_short_16: GWKZJ6WDIRTFG5O3 · pith_short_8: GWKZJ6WD

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/GWKZJ6WDIRTFG5O3JLCT5ZSJ43 \
  | 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: 359594fac344665375db4ac53ee649e6fc5e07a0aa8210c4dc565fd7969efab4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74e853742b987f44aa053d9ccfc33af810bfa2ce16e28730f05c1b01002f3fa0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-09-18T13:14:21Z",
    "title_canon_sha256": "58ec38828460f88dd8d2df7b131853fdebc900bbe708cfd019f7483f97fee992"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5296",
    "kind": "arxiv",
    "version": 1
  }
}