Pith Number

pith:7ECVXMP2

pith:2018:7ECVXMP2YWBGVP3ONFBDSJMJ7C

not attested not anchored not stored refs pending

Dimension reduction for slow-fast, piecewise-smooth, continuous systems of ODEs

David J.W. Simpson

arxiv:1801.04653 v1 · 2018-01-15 · 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{7ECVXMP2YWBGVP3ONFBDSJMJ7C}

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	2026-05-18T00:26:03.721606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9055bb1fac5826abf6e6942392589f8a2099d276372bff05bf7a3cae4ef8cb2

Aliases

arxiv: 1801.04653 · arxiv_version: 1801.04653v1 · doi: 10.48550/arxiv.1801.04653 · pith_short_12: 7ECVXMP2YWBG · pith_short_16: 7ECVXMP2YWBGVP3O · pith_short_8: 7ECVXMP2

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/7ECVXMP2YWBGVP3ONFBDSJMJ7C \
  | 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: f9055bb1fac5826abf6e6942392589f8a2099d276372bff05bf7a3cae4ef8cb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f09b305c1369694eafbcd6da09e0c3c75789e0920c49e4001438bcd998ac3b5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-01-15T03:26:08Z",
    "title_canon_sha256": "6e553fe6b27153e6c97108e0fa06caf0001167101953469d64324a4a8d3b3045"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04653",
    "kind": "arxiv",
    "version": 1
  }
}