Pith Number

pith:XUO7Y33V

pith:2011:XUO7Y33V3A24OI6AOOSFGQOO3Y

not attested not anchored not stored refs pending

Coupled fixed points of multivalued operators and first--order ODEs with state--dependent deviating arguments

Rodrigo L\'opez Pouso, Rub\'en Figueroa

arxiv:1104.2159 v1 · 2011-04-12 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XUO7Y33V3A24OI6AOOSFGQOO3Y}

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	2026-05-18T04:24:35.832367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd1dfc6f75d835c723c073a45341cede0ad5fa73c39072d63955e103152733e7

Aliases

arxiv: 1104.2159 · arxiv_version: 1104.2159v1 · doi: 10.48550/arxiv.1104.2159 · pith_short_12: XUO7Y33V3A24 · pith_short_16: XUO7Y33V3A24OI6A · pith_short_8: XUO7Y33V

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/XUO7Y33V3A24OI6AOOSFGQOO3Y \
  | 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: bd1dfc6f75d835c723c073a45341cede0ad5fa73c39072d63955e103152733e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee0e311edb5a66c879e174e5b1c87d87d9ddf8b0df097532941f0d4499c9fe9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2011-04-12T10:26:35Z",
    "title_canon_sha256": "4795f0e5037ee062e75f4e6a75cb092f5ebe47fb396852fe4b3365905024415c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2159",
    "kind": "arxiv",
    "version": 1
  }
}