Pith Number

pith:KDFLKD7R

pith:2007:KDFLKD7RLYQYKPICFXGMMPYGDY

not attested not anchored not stored refs pending

Dynamics in Thompson's Group F

Francesco Matucci, James Belk

arxiv:0710.3633 v3 · 2007-10-19 · math.GR · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KDFLKD7RLYQYKPICFXGMMPYGDY}

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	2026-05-18T03:46:04.314251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50cab50ff15e21853d022dccc63f061e16677fd5e80b6ad788be2c359ddec2cd

Aliases

arxiv: 0710.3633 · arxiv_version: 0710.3633v3 · doi: 10.48550/arxiv.0710.3633 · pith_short_12: KDFLKD7RLYQY · pith_short_16: KDFLKD7RLYQYKPIC · pith_short_8: KDFLKD7R

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/KDFLKD7RLYQYKPICFXGMMPYGDY \
  | 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: 50cab50ff15e21853d022dccc63f061e16677fd5e80b6ad788be2c359ddec2cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bea4c0932a9210ce701f7e25dc407480eb174aab4bc5cb7f8110eb54e0d7687",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2007-10-19T05:52:11Z",
    "title_canon_sha256": "8da582f835ce4c42aa64d6afd5cc5fc81f90cc2800447c93095b6d0a11c218b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.3633",
    "kind": "arxiv",
    "version": 3
  }
}