Pith Number

pith:GDBJG7TB

pith:2018:GDBJG7TBX4LMHA4KJSNZ6MURDI

not attested not anchored not stored refs pending

The Conley index for discrete dynamical systems and the mapping torus

Frank Weilandt

arxiv:1801.06403 v2 · 2018-01-19 · math.DS · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GDBJG7TBX4LMHA4KJSNZ6MURDI}

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	2026-05-18T00:24:59.178021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30c2937e61bf16c3838a4c9b9f32911a387fb51f986e363e8c5a9bca19a71678

Aliases

arxiv: 1801.06403 · arxiv_version: 1801.06403v2 · doi: 10.48550/arxiv.1801.06403 · pith_short_12: GDBJG7TBX4LM · pith_short_16: GDBJG7TBX4LMHA4K · pith_short_8: GDBJG7TB

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/GDBJG7TBX4LMHA4KJSNZ6MURDI \
  | 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: 30c2937e61bf16c3838a4c9b9f32911a387fb51f986e363e8c5a9bca19a71678

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aafea999cfe27e448945fd078b01f01e0f278900066a93e962580a621cc6a96a",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-01-19T13:55:28Z",
    "title_canon_sha256": "cb23bd171f2389419a90cce1265554fa5fb4b81a2594e6f9c2cc578517a67a45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06403",
    "kind": "arxiv",
    "version": 2
  }
}