Pith Number

pith:5YBQCFGM

pith:2012:5YBQCFGMQW7BV6BNGNJZ6QP32K

not attested not anchored not stored refs pending

On Periodically Iterated Morphisms

Dimitri Hendriks, Joerg Endrullis

arxiv:1207.2336 v1 · 2012-07-10 · cs.FL · 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{5YBQCFGMQW7BV6BNGNJZ6QP32K}

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	2026-05-18T03:51:24.361347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee030114cc85be1af82d33539f41fbd2b32d9dc3dce179a8e1a908f54cd8aac8

Aliases

arxiv: 1207.2336 · arxiv_version: 1207.2336v1 · doi: 10.48550/arxiv.1207.2336 · pith_short_12: 5YBQCFGMQW7B · pith_short_16: 5YBQCFGMQW7BV6BN · pith_short_8: 5YBQCFGM

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/5YBQCFGMQW7BV6BNGNJZ6QP32K \
  | 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: ee030114cc85be1af82d33539f41fbd2b32d9dc3dce179a8e1a908f54cd8aac8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca3bd0681ef1388224d34e89a619f7b8551cd73c5fd0a16d2705616373e3998b",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2012-07-10T13:13:35Z",
    "title_canon_sha256": "03ec50094db5e0bb205c64ce3ebbf889187535a1cecf6c70d79d2a772f9b2aad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2336",
    "kind": "arxiv",
    "version": 1
  }
}