Pith Number

pith:5ECA42CC

pith:2011:5ECA42CCJVOJJFRV25V4A2DMDG

not attested not anchored not stored refs pending

Involutive distributions and dynamical systems of second-order type

M. Crampin, T. Mestdag

arxiv:1103.2935 v1 · 2011-03-15 · math.DG · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ECA42CCJVOJJFRV25V4A2DMDG}

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	2026-05-18T04:07:06.701936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9040e68424d5c949635d76bc0686c1982741c373e71abf6581982f97a763617

Aliases

arxiv: 1103.2935 · arxiv_version: 1103.2935v1 · doi: 10.48550/arxiv.1103.2935 · pith_short_12: 5ECA42CCJVOJ · pith_short_16: 5ECA42CCJVOJJFRV · pith_short_8: 5ECA42CC

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/5ECA42CCJVOJJFRV25V4A2DMDG \
  | 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: e9040e68424d5c949635d76bc0686c1982741c373e71abf6581982f97a763617

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c4e7cddefaf4b397c1b78863b52f0c50bf45bea0914f1b0c251bbbdcddeffb4",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-03-15T15:27:51Z",
    "title_canon_sha256": "56444e6b8421a869a82f1f11ec6be018ef025aae4e221e98e1e80e93b4775b92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2935",
    "kind": "arxiv",
    "version": 1
  }
}