Pith Number

pith:PV4WZ4VG

pith:2016:PV4WZ4VGFNFDCCP2VF3T26OY3Z

not attested not anchored not stored refs pending

Impulsive perturbations to differential equations: stable/unstable pseudo-manifolds, heteroclinic connections, and flux

Sanjeeva Balasuriya

arxiv:1604.07934 v2 · 2016-04-27 · 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{PV4WZ4VGFNFDCCP2VF3T26OY3Z}

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	2026-05-18T00:54:36.773912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d796cf2a62b4a3109faa9773d79d8de587fb85e1b272060db6159e7dd717cb4

Aliases

arxiv: 1604.07934 · arxiv_version: 1604.07934v2 · doi: 10.48550/arxiv.1604.07934 · pith_short_12: PV4WZ4VGFNFD · pith_short_16: PV4WZ4VGFNFDCCP2 · pith_short_8: PV4WZ4VG

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/PV4WZ4VGFNFDCCP2VF3T26OY3Z \
  | 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: 7d796cf2a62b4a3109faa9773d79d8de587fb85e1b272060db6159e7dd717cb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ca3e74a53284c73e7be7ef0b10f505487cb5951aadf1876b3f2dcfa5bbd0ea5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-04-27T04:53:10Z",
    "title_canon_sha256": "691f6b32c210ed26ff36a8a9541d370a265ddeb2eb9cecbedd3f988f53a1aa06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07934",
    "kind": "arxiv",
    "version": 2
  }
}