Pith Number

pith:OUB7FSSO

pith:2015:OUB7FSSOVZJATACWVI4Q6R37PU

not attested not anchored not stored refs pending

Periodic solutions for nonlinear evolution equations at resonance

Piotr Kokocki

arxiv:1505.00156 v1 · 2015-05-01 · 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{OUB7FSSOVZJATACWVI4Q6R37PU}

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	2026-05-18T02:17:13.325486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7503f2ca4eae52098056aa390f477f7d23fe469c80413911cf7514e97092a938

Aliases

arxiv: 1505.00156 · arxiv_version: 1505.00156v1 · doi: 10.48550/arxiv.1505.00156 · pith_short_12: OUB7FSSOVZJA · pith_short_16: OUB7FSSOVZJATACW · pith_short_8: OUB7FSSO

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/OUB7FSSOVZJATACWVI4Q6R37PU \
  | 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: 7503f2ca4eae52098056aa390f477f7d23fe469c80413911cf7514e97092a938

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a097a398a058f882f5f4acfc646544d5c22bf4c65f4f24799b2599039967e0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-05-01T11:20:31Z",
    "title_canon_sha256": "b319c7dd0ea997883824b74f405b5cf24083bfba6f4caac1857c74873e54b07a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00156",
    "kind": "arxiv",
    "version": 1
  }
}