Pith Number

pith:SRFO7APH

pith:2017:SRFO7APH6I3QMXZK4LMAHKBJ3F

not attested not anchored not stored refs pending

The rigidity of pseudo-rotations on the two-torus and a question of Norton-Sullivan

Jian Wang, Zhiyuan Zhang

arxiv:1708.02529 v1 · 2017-08-08 · 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{SRFO7APH6I3QMXZK4LMAHKBJ3F}

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	2026-05-18T00:38:24.006173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

944aef81e7f237065f2ae2d803a829d972bf3ed632681265c9003d743e87e737

Aliases

arxiv: 1708.02529 · arxiv_version: 1708.02529v1 · doi: 10.48550/arxiv.1708.02529 · pith_short_12: SRFO7APH6I3Q · pith_short_16: SRFO7APH6I3QMXZK · pith_short_8: SRFO7APH

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/SRFO7APH6I3QMXZK4LMAHKBJ3F \
  | 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: 944aef81e7f237065f2ae2d803a829d972bf3ed632681265c9003d743e87e737

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8713eabdcb4f3ade08c3f5904d6daa6a1dcd58d18fd2389d04bda8e6c214eb6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-08-08T15:43:34Z",
    "title_canon_sha256": "9434bcbb478838a4cdfb13cb7ddd0d391f7b49aebd3ed0734cf87d165df646aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02529",
    "kind": "arxiv",
    "version": 1
  }
}