Pith Number

pith:X4I4G56E

pith:2019:X4I4G56ENXZMTRUFGSR3ZR4LZF

not attested not anchored not stored refs pending

Response solutions to quasi-periodically forced systems, even to possibly ill-posed PDEs, with strong dissipation and any frequency vectors

Fenfen Wang, Rafael de la Llave

arxiv:1907.02835 v1 · 2019-07-05 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X4I4G56ENXZMTRUFGSR3ZR4LZF}

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	2026-05-17T23:41:22.927250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf11c377c46df2c9c68534a3bcc78bc964a41f30d30495eb81c8633a0dac3021

Aliases

arxiv: 1907.02835 · arxiv_version: 1907.02835v1 · doi: 10.48550/arxiv.1907.02835 · pith_short_12: X4I4G56ENXZM · pith_short_16: X4I4G56ENXZMTRUF · pith_short_8: X4I4G56E

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/X4I4G56ENXZMTRUFGSR3ZR4LZF \
  | 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: bf11c377c46df2c9c68534a3bcc78bc964a41f30d30495eb81c8633a0dac3021

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b24a544c7aac50c078a1d23f1e188b113eef9f4d33959791e71ced71cfb0f13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-07-05T14:01:18Z",
    "title_canon_sha256": "208a37da98b7efda93ef0c51047eb3ecc59fc09350dc29d5594af296eed32f4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02835",
    "kind": "arxiv",
    "version": 1
  }
}