Pith Number

pith:4AGKQBDW

pith:2019:4AGKQBDW5KDK5BRJANNS45CQRQ

not attested not anchored not stored refs pending

Computational singular perturbation method for nonstandard slow-fast systems

Ian Lizarraga, Martin Wechselberger

arxiv:1906.06049 v1 · 2019-06-14 · 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{4AGKQBDW5KDK5BRJANNS45CQRQ}

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	2026-05-17T23:43:19.915000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e00ca80476ea86ae8629035b2e74508c28bf430f0b00ee41de40c5124ed4cd2c

Aliases

arxiv: 1906.06049 · arxiv_version: 1906.06049v1 · doi: 10.48550/arxiv.1906.06049 · pith_short_12: 4AGKQBDW5KDK · pith_short_16: 4AGKQBDW5KDK5BRJ · pith_short_8: 4AGKQBDW

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/4AGKQBDW5KDK5BRJANNS45CQRQ \
  | 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: e00ca80476ea86ae8629035b2e74508c28bf430f0b00ee41de40c5124ed4cd2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4bf222da90ad4c9ec293d38c385822f8c3b0f91be78c7354ffb6741f350aea3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-06-14T06:53:28Z",
    "title_canon_sha256": "9e1f9e3651de5b827a176d9621b47e82f651626ee93617d1f1eca749452889fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06049",
    "kind": "arxiv",
    "version": 1
  }
}