Pith Number

pith:JKAAZOBK

pith:2011:JKAAZOBKKOTWDXC2SIZ7OISTHE

not attested not anchored not stored refs pending

A note on the implicit function theorem for quasi-linear eigenvalue problems

Robin Nittka

arxiv:1109.5089 v1 · 2011-09-23 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JKAAZOBKKOTWDXC2SIZ7OISTHE}

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	2026-05-18T04:03:19.248881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a800cb82a53a761dc5a9233f722533933656709642bfbc97ed62ed85aadf024

Aliases

arxiv: 1109.5089 · arxiv_version: 1109.5089v1 · doi: 10.48550/arxiv.1109.5089 · pith_short_12: JKAAZOBKKOTW · pith_short_16: JKAAZOBKKOTWDXC2 · pith_short_8: JKAAZOBK

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/JKAAZOBKKOTWDXC2SIZ7OISTHE \
  | 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: 4a800cb82a53a761dc5a9233f722533933656709642bfbc97ed62ed85aadf024

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf2ee8739c97f887729ee6869ce6db98a46fb77cb4824d01adc8f252ad3d98c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-09-23T14:27:00Z",
    "title_canon_sha256": "7b1b978d9ef1d06de3f2f83a4686cb6a40a08885929966049abb8ec1918025f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5089",
    "kind": "arxiv",
    "version": 1
  }
}