Pith Number

pith:OBYYWS7O

pith:2011:OBYYWS7O2B3BW4MS6EQ6R5WWFC

not attested not anchored not stored refs pending

Twist number and order properties of periodic orbits

Emilia Petrisor

arxiv:1105.4404 v3 · 2011-05-23 · math.DS · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OBYYWS7O2B3BW4MS6EQ6R5WWFC}

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	2026-05-18T03:13:46.597145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70718b4beed0761b7192f121e8f6d628873d876571bfbaca3a534e52143664f0

Aliases

arxiv: 1105.4404 · arxiv_version: 1105.4404v3 · doi: 10.48550/arxiv.1105.4404 · pith_short_12: OBYYWS7O2B3B · pith_short_16: OBYYWS7O2B3BW4MS · pith_short_8: OBYYWS7O

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/OBYYWS7O2B3BW4MS6EQ6R5WWFC \
  | 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: 70718b4beed0761b7192f121e8f6d628873d876571bfbaca3a534e52143664f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84ae228c51f06f8430a351354629f731d0ba9e6f49b9b8b5b91de9d4e8b2e96c",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-05-23T05:15:31Z",
    "title_canon_sha256": "9f67c8b8b4e5c2f18131b424bd03d39bc7a6bb89e76912127de17d3cd5e41439"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4404",
    "kind": "arxiv",
    "version": 3
  }
}