Pith Number

pith:UGYZNF7S

pith:2011:UGYZNF7S77PEQAFZSQHIPUWGDO

not attested not anchored not stored refs pending

Topology and Homoclinic Trajectories of Discrete Dynamical Systems

Jacobo Pejsachowicz, Robert Skiba

arxiv:1111.1402 v4 · 2011-11-06 · math.DS · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UGYZNF7S77PEQAFZSQHIPUWGDO}

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	2026-05-18T04:03:42.741970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1b19697f2ffde4800b9940e87d2c61bb000debbca22a058c42740edfd499583

Aliases

arxiv: 1111.1402 · arxiv_version: 1111.1402v4 · doi: 10.48550/arxiv.1111.1402 · pith_short_12: UGYZNF7S77PE · pith_short_16: UGYZNF7S77PEQAFZ · pith_short_8: UGYZNF7S

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/UGYZNF7S77PEQAFZSQHIPUWGDO \
  | 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: a1b19697f2ffde4800b9940e87d2c61bb000debbca22a058c42740edfd499583

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a82780cdfbc46f8e16474d78b020d21391f2631d827ee7b13ba85ec1497669f4",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-11-06T11:02:09Z",
    "title_canon_sha256": "c45b89d3adbbaa6b8506bbbd52cd3eb321b8907b469d5a7c34e6be933dda5b9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1402",
    "kind": "arxiv",
    "version": 4
  }
}