Pith Number

pith:MTNULCO4

pith:2017:MTNULCO4CPBMXIDHHY4D6UCSGY

not attested not anchored not stored refs pending

The $E$-cohomological Conley Index, Cup-Lengths and the Arnold Conjecture on $T^{2n}$

Maciej Starostka, Nils Waterstraat

arxiv:1708.09631 v1 · 2017-08-31 · math.DS · math.CA · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MTNULCO4CPBMXIDHHY4D6UCSGY}

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	2026-05-18T00:36:15.950304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64db4589dc13c2cba0673e383f50523629e0d874eb1c5d65dfe7f6fae30a617c

Aliases

arxiv: 1708.09631 · arxiv_version: 1708.09631v1 · doi: 10.48550/arxiv.1708.09631 · pith_short_12: MTNULCO4CPBM · pith_short_16: MTNULCO4CPBMXIDH · pith_short_8: MTNULCO4

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/MTNULCO4CPBMXIDHHY4D6UCSGY \
  | 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: 64db4589dc13c2cba0673e383f50523629e0d874eb1c5d65dfe7f6fae30a617c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae3ffe25e4a40a3d4fd7ae6469c33c8c9b5dfd4f212944b01b81faa3d183b27f",
    "cross_cats_sorted": [
      "math.CA",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-08-31T09:26:18Z",
    "title_canon_sha256": "f009a660e9385c348c4f6a46925d24811ff8af6a542d63a22ccb3bb288b38a38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09631",
    "kind": "arxiv",
    "version": 1
  }
}