Pith Number

pith:VKEYEMNE

pith:2017:VKEYEMNEZMZ3RZOMBPNGWWZJYN

not attested not anchored not stored refs pending

Semi-Baxter and strong-Baxter: two relatives of the Baxter sequence

Andrew Rechnitzer, Mathilde Bouvel, Simone Rinaldi, Veronica Guerrini

arxiv:1702.04529 v3 · 2017-02-15 · 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{VKEYEMNEZMZ3RZOMBPNGWWZJYN}

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	2026-05-18T00:26:16.523043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa898231a4cb33b8e5cc0bda6b5b29c37487a0b6d21b20fcff2cfe418ea4df0e

Aliases

arxiv: 1702.04529 · arxiv_version: 1702.04529v3 · doi: 10.48550/arxiv.1702.04529 · pith_short_12: VKEYEMNEZMZ3 · pith_short_16: VKEYEMNEZMZ3RZOM · pith_short_8: VKEYEMNE

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/VKEYEMNEZMZ3RZOMBPNGWWZJYN \
  | 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: aa898231a4cb33b8e5cc0bda6b5b29c37487a0b6d21b20fcff2cfe418ea4df0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa99893e10fec37c119ff78a3a3e876ef79b4d4ba8c535ea04023717682dc3b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-02-15T10:07:22Z",
    "title_canon_sha256": "1d12e2eb9138deabbd8b5d2a20c818acb21ffc9024d09e13a709c174087c4777"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04529",
    "kind": "arxiv",
    "version": 3
  }
}