Pith Number

pith:CNMSOOK2

pith:2018:CNMSOOK2736IGRE6VB2YK26OP7

not attested not anchored not stored refs pending

Infinite series in cohomology: attractors and Conley index

Francisco R. Ruiz del Portal, Jaime J. S\'anchez-Gabites, Luis Hern\'andez-Corbato

arxiv:1802.02521 v1 · 2018-02-07 · math.DS · math.AT · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CNMSOOK2736IGRE6VB2YK26OP7}

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	2026-05-18T00:24:07.946291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

135927395afefc83449ea875856bce7fe68c0b0fbb1446778e753dbca367e82d

Aliases

arxiv: 1802.02521 · arxiv_version: 1802.02521v1 · doi: 10.48550/arxiv.1802.02521 · pith_short_12: CNMSOOK2736I · pith_short_16: CNMSOOK2736IGRE6 · pith_short_8: CNMSOOK2

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/CNMSOOK2736IGRE6VB2YK26OP7 \
  | 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: 135927395afefc83449ea875856bce7fe68c0b0fbb1446778e753dbca367e82d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "569e48065dfb92536354ba21b157fdb1702f0954f29e82f050843b5ec9c98b9f",
    "cross_cats_sorted": [
      "math.AT",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-02-07T16:58:25Z",
    "title_canon_sha256": "13ce46057e050d244dd7bc8735fbce40c76ee8718bd72b66d45d78f781096b59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02521",
    "kind": "arxiv",
    "version": 1
  }
}