Pith Number

pith:MGES4P45

pith:2016:MGES4P45SKWPDCS6DVJJSALAK6

not attested not anchored not stored refs pending

Existence of Non-Contractible Periodic Orbits for Homeomorphisms of the Open Annulus

Fabio Armando Tal, Jonathan Conejeros

arxiv:1612.08439 v2 · 2016-12-26 · 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{MGES4P45SKWPDCS6DVJJSALAK6}

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	2026-05-17T23:49:28.140946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61892e3f9d92acf18a5e1d5299016057be526628aa12cd3235d477cefeb421d5

Aliases

arxiv: 1612.08439 · arxiv_version: 1612.08439v2 · doi: 10.48550/arxiv.1612.08439 · pith_short_12: MGES4P45SKWP · pith_short_16: MGES4P45SKWPDCS6 · pith_short_8: MGES4P45

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/MGES4P45SKWPDCS6DVJJSALAK6 \
  | 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: 61892e3f9d92acf18a5e1d5299016057be526628aa12cd3235d477cefeb421d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e36a2aa6ed2ed367c28787933b761c2c9c6e4be467749bbd173438bb17e733e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-12-26T21:12:35Z",
    "title_canon_sha256": "21f99b3d92a33c35f9afad79bfcf1097608101e76247c9eb0af3b55c68607a98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.08439",
    "kind": "arxiv",
    "version": 2
  }
}