Pith Number

pith:GT7MXPH2

pith:2010:GT7MXPH23JLZZ2JIBK3JGUBFCM

not attested not anchored not stored refs pending

Discrete analogue computing with rotor-routers

James Propp

arxiv:1007.2389 v2 · 2010-07-14 · nlin.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GT7MXPH23JLZZ2JIBK3JGUBFCM}

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	2026-05-18T02:06:21.977767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34fecbbcfada579ce9280ab6935025131fa0bc50ee0c52cf0838717beca05c9f

Aliases

arxiv: 1007.2389 · arxiv_version: 1007.2389v2 · doi: 10.48550/arxiv.1007.2389 · pith_short_12: GT7MXPH23JLZ · pith_short_16: GT7MXPH23JLZZ2JI · pith_short_8: GT7MXPH2

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/GT7MXPH23JLZZ2JIBK3JGUBFCM \
  | 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: 34fecbbcfada579ce9280ab6935025131fa0bc50ee0c52cf0838717beca05c9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be676d55ebf095ac94049b9ac1e2ad67eb867960a6265380df96c6b4a19910e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CG",
    "submitted_at": "2010-07-14T18:20:10Z",
    "title_canon_sha256": "43f2b0c5635555a480f74e096bb2fb8c5d8d6531a39a3012627c91fa15b328bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.2389",
    "kind": "arxiv",
    "version": 2
  }
}