Pith Number

pith:JVR55KNX

pith:2015:JVR55KNXFX7UH2PLSKOJKHFFD2

not attested not anchored not stored refs pending

Some applications of the parameterized Picard-Vessiot theory

Claude Mitschi

arxiv:1503.01361 v2 · 2015-03-04 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JVR55KNXFX7UH2PLSKOJKHFFD2}

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	2026-05-18T01:14:09.266167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d63dea9b72dff43e9eb929c951ca51e9b47b74468a881bb6e9c6811778fd715

Aliases

arxiv: 1503.01361 · arxiv_version: 1503.01361v2 · doi: 10.48550/arxiv.1503.01361 · pith_short_12: JVR55KNXFX7U · pith_short_16: JVR55KNXFX7UH2PL · pith_short_8: JVR55KNX

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/JVR55KNXFX7UH2PLSKOJKHFFD2 \
  | 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: 4d63dea9b72dff43e9eb929c951ca51e9b47b74468a881bb6e9c6811778fd715

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e26c7c7b7b95faf055cde3326ae1fca7c08d98f258c77c1dfbb5d9d35cf21339",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-03-04T16:19:35Z",
    "title_canon_sha256": "952fb6a38cd8efd644f79a6d69f8622d8714f5dc6d95fe3bd5c1a63c0a499297"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01361",
    "kind": "arxiv",
    "version": 2
  }
}