Pith Number

pith:D7KGAB6N

pith:2012:D7KGAB6N6JF4VEYBKLEIUEB7GL

not attested not anchored not stored refs pending

The initial value problem for ordinary differential equations with infinitely many derivatives

Enrique G. Reyes, Humberto Prado, Przemyslaw Gorka

arxiv:1208.6314 v1 · 2012-08-30 · math-ph · gr-qc · hep-th · 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{D7KGAB6N6JF4VEYBKLEIUEB7GL}

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	2026-05-18T03:46:33.756572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fd46007cdf24bca930152c88a103f32dbd449e02723ec813837c5dd65c28751

Aliases

arxiv: 1208.6314 · arxiv_version: 1208.6314v1 · doi: 10.48550/arxiv.1208.6314 · pith_short_12: D7KGAB6N6JF4 · pith_short_16: D7KGAB6N6JF4VEYB · pith_short_8: D7KGAB6N

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/D7KGAB6N6JF4VEYBKLEIUEB7GL \
  | 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: 1fd46007cdf24bca930152c88a103f32dbd449e02723ec813837c5dd65c28751

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42f4a1982b686897633296688a120c7c1df636847895aa95c6af898816bd75cb",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-08-30T21:02:20Z",
    "title_canon_sha256": "df7d1be1848ac4825d05e1338c6f70ca7aa3a7fffa83dc7986c4958df7630465"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.6314",
    "kind": "arxiv",
    "version": 1
  }
}