Pith Number

pith:SQBYQXDM

pith:2015:SQBYQXDMIS3DQAXZMXZCFOISB6

not attested not anchored not stored refs pending

Non-Hamiltonian actions with isolated fixed points

Susan Tolman

arxiv:1510.02829 v1 · 2015-10-09 · math.DG · 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{SQBYQXDMIS3DQAXZMXZCFOISB6}

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	2026-05-18T01:30:33.677855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9403885c6c44b63802f965f222b9120f95e946c35548a4f646259a2a781415c6

Aliases

arxiv: 1510.02829 · arxiv_version: 1510.02829v1 · doi: 10.48550/arxiv.1510.02829 · pith_short_12: SQBYQXDMIS3D · pith_short_16: SQBYQXDMIS3DQAXZ · pith_short_8: SQBYQXDM

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/SQBYQXDMIS3DQAXZMXZCFOISB6 \
  | 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: 9403885c6c44b63802f965f222b9120f95e946c35548a4f646259a2a781415c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "150acdfdb48ce6be6c2399fdfd75aa89656a4c6e9486f3d08716bfa8c291bc96",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-10-09T21:37:46Z",
    "title_canon_sha256": "595a516c3e8ed7ccd855bac142b4cae9f59aaceb8a829aaba911fe64597a96ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02829",
    "kind": "arxiv",
    "version": 1
  }
}