Pith Number

pith:VZE2E3NG

pith:2016:VZE2E3NG755ANZK4CCXNEXL64H

not attested not anchored not stored refs pending

Variation of constants formula and exponential dichotomy for non autonomous non densely defined Cauchy problems

Ousmane Seydi, Pierre Magal

arxiv:1608.07079 v1 · 2016-08-25 · 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{VZE2E3NG755ANZK4CCXNEXL64H}

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	2026-05-18T01:07:54.851922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae49a26da6ff7a06e55c10aed25d7ee1cd35e15fb304d9972ad14ac4994dfef6

Aliases

arxiv: 1608.07079 · arxiv_version: 1608.07079v1 · doi: 10.48550/arxiv.1608.07079 · pith_short_12: VZE2E3NG755A · pith_short_16: VZE2E3NG755ANZK4 · pith_short_8: VZE2E3NG

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/VZE2E3NG755ANZK4CCXNEXL64H \
  | 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: ae49a26da6ff7a06e55c10aed25d7ee1cd35e15fb304d9972ad14ac4994dfef6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72a03011f3bf89839c4df42bad9d0c3b1f650d8985d9f5100b6363e7d200293d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-08-25T10:59:35Z",
    "title_canon_sha256": "cdac30486c019bbe39d27599734f23d605271d8d1c07c1f0c810b3b7e03aec24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.07079",
    "kind": "arxiv",
    "version": 1
  }
}