Pith Number

pith:7UY5FDZ3

pith:2011:7UY5FDZ3BPNIFGG2W6IQHLIH3D

not attested not anchored not stored refs pending

Further results on monoids acting on trees

John Rhodes, Pedro V. Silva

arxiv:1103.2344 v1 · 2011-03-11 · math.GR · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7UY5FDZ3BPNIFGG2W6IQHLIH3D}

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	2026-05-18T03:59:01.569843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd31d28f3b0bda8298dab79103ad07d8f3d648a2217d7a9111a2a1b388568106

Aliases

arxiv: 1103.2344 · arxiv_version: 1103.2344v1 · doi: 10.48550/arxiv.1103.2344 · pith_short_12: 7UY5FDZ3BPNI · pith_short_16: 7UY5FDZ3BPNIFGG2 · pith_short_8: 7UY5FDZ3

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/7UY5FDZ3BPNIFGG2W6IQHLIH3D \
  | 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: fd31d28f3b0bda8298dab79103ad07d8f3d648a2217d7a9111a2a1b388568106

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "465fd686209491d50c5e6a096155cd83da7ed1a4e10cb002fbc6a90f5b12c649",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2011-03-11T19:07:16Z",
    "title_canon_sha256": "465548878f47f7127afb3fa402c9664ca60e8a7b51794cc39967223448c7d614"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2344",
    "kind": "arxiv",
    "version": 1
  }
}