Pith Number

pith:66DFQ4FP

pith:2017:66DFQ4FPKEOT2N3XUY3GJG3FLR

not attested not anchored not stored refs pending

On higher index differential-algebraic equations in infinite dimensions

Marcus Waurick, Sascha Trostorff

arxiv:1710.08750 v2 · 2017-10-24 · math.CA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{66DFQ4FPKEOT2N3XUY3GJG3FLR}

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	2026-05-18T00:30:40.458578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7865870af511d3d3777a636649b655c45753d07b476be53a8a59b9db1712312

Aliases

arxiv: 1710.08750 · arxiv_version: 1710.08750v2 · doi: 10.48550/arxiv.1710.08750 · pith_short_12: 66DFQ4FPKEOT · pith_short_16: 66DFQ4FPKEOT2N3X · pith_short_8: 66DFQ4FP

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/66DFQ4FPKEOT2N3XUY3GJG3FLR \
  | 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: f7865870af511d3d3777a636649b655c45753d07b476be53a8a59b9db1712312

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15d96461cc1bbdb590b23c1a2b9a59c1f1e7c4be7146365a5b998262ff766868",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-10-24T13:14:43Z",
    "title_canon_sha256": "784ed532a1cb19481e965b05bccdcaccc49d9457cd359b47ffc24c5b6c2e49c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08750",
    "kind": "arxiv",
    "version": 2
  }
}