pith. sign in
Pith Number

pith:FH7DLXMM

pith:2003:FH7DLXMMZII5O7RB35P6BQEQSH
not attested not anchored not stored refs pending

Seesaw words in Thompson's group F

Jennifer Taback, Sean Cleary

arxiv:math/0310466 v2 · 2003-10-29 · math.GR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FH7DLXMMZII5O7RB35P6BQEQSH}

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 2026-05-18T00:20:49.743666Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

29fe35dd8cca11d77e21df5fe0c09091cb017293141b53aea3061efe5fd98562

Aliases

arxiv: math/0310466 · arxiv_version: math/0310466v2 · doi: 10.48550/arxiv.math/0310466 · pith_short_12: FH7DLXMMZII5 · pith_short_16: FH7DLXMMZII5O7RB · pith_short_8: FH7DLXMM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FH7DLXMMZII5O7RB35P6BQEQSH \
  | 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: 29fe35dd8cca11d77e21df5fe0c09091cb017293141b53aea3061efe5fd98562
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "496876c32a7f94125bcaeb633287417096a920440b1b9136d9e4b5423d8cf6ea",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.GR",
    "submitted_at": "2003-10-29T23:42:00Z",
    "title_canon_sha256": "fc7d16e7cf297a75b9c5a47f07eae0716ab6f1c1735ff74d58c21595b47ab8a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0310466",
    "kind": "arxiv",
    "version": 2
  }
}