Pith Number

pith:PPWCYQO6

pith:2011:PPWCYQO6G2SHJVVXR3HGVDET2C

not attested not anchored not stored refs pending

Recurrent Rotor-Router Configurations

Alexander E. Holroyd, Omer Angel

arxiv:1101.2484 v1 · 2011-01-13 · 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{PPWCYQO6G2SHJVVXR3HGVDET2C}

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	2026-05-18T04:31:41.969723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bec2c41de36a474d6b78ece6a8c93d0802694a9b3da3dced4c104596509746a

Aliases

arxiv: 1101.2484 · arxiv_version: 1101.2484v1 · doi: 10.48550/arxiv.1101.2484 · pith_short_12: PPWCYQO6G2SH · pith_short_16: PPWCYQO6G2SHJVVX · pith_short_8: PPWCYQO6

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/PPWCYQO6G2SHJVVXR3HGVDET2C \
  | 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: 7bec2c41de36a474d6b78ece6a8c93d0802694a9b3da3dced4c104596509746a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b6fc4aa6493d0ec5a03825e6acdbb994fec2faa8c23a34f607d302dc0349f92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-01-13T03:31:43Z",
    "title_canon_sha256": "9c8a9bdcc756111fd83da74a6ede861100b95cb301c9a897a76b63cc8ef030e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2484",
    "kind": "arxiv",
    "version": 1
  }
}