Pith Number

pith:PYA2O7NK

pith:2018:PYA2O7NKKL6SVAITFVG5L43DR2

not attested not anchored not stored refs pending

Highly-oscillatory problems with time-dependent vanishing frequency

Florian M\'ehats (IRMAR), Gilles Vilmart, Mohammed Lemou (IPSO), Philippe Chartier (IPSO)

arxiv:1807.07835 v1 · 2018-07-20 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PYA2O7NKKL6SVAITFVG5L43DR2}

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	2026-05-18T00:10:15.517470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e01a77daa52fd2a81132d4dd5f3638ea69c60a948447d125531a313a1c9ef1a

Aliases

arxiv: 1807.07835 · arxiv_version: 1807.07835v1 · doi: 10.48550/arxiv.1807.07835 · pith_short_12: PYA2O7NKKL6S · pith_short_16: PYA2O7NKKL6SVAIT · pith_short_8: PYA2O7NK

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/PYA2O7NKKL6SVAITFVG5L43DR2 \
  | 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: 7e01a77daa52fd2a81132d4dd5f3638ea69c60a948447d125531a313a1c9ef1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "441eb275634cb9cdb88f8ff8c4f15f46f9435d43ca0c8b42a06b0badf4cd5b79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-20T13:37:39Z",
    "title_canon_sha256": "65c5b9c27d8e3edf35be0eea4ddbefbd8dd7dc22573f05d1e02fed2bc6109f3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07835",
    "kind": "arxiv",
    "version": 1
  }
}