Pith Number

pith:BUOKVQOU

pith:2013:BUOKVQOUWRKJLNWSVC3U2AAEWQ

not attested not anchored not stored refs pending

Parameterized Differential Equations over k((t))(x)

Annette Maier

arxiv:1310.8141 v1 · 2013-10-30 · math.AC · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BUOKVQOUWRKJLNWSVC3U2AAEWQ}

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	2026-05-18T01:28:44.444027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d1caac1d4b45495b6d2a8b74d0004b40826380bbc0133ec4f755f50a1c5df58

Aliases

arxiv: 1310.8141 · arxiv_version: 1310.8141v1 · doi: 10.48550/arxiv.1310.8141 · pith_short_12: BUOKVQOUWRKJ · pith_short_16: BUOKVQOUWRKJLNWS · pith_short_8: BUOKVQOU

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/BUOKVQOUWRKJLNWSVC3U2AAEWQ \
  | 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: 0d1caac1d4b45495b6d2a8b74d0004b40826380bbc0133ec4f755f50a1c5df58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f52ecb94c8fb1ea0c471f00e36ea4f4ab1302742d5d63fa642faa1f978eb19e",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2013-10-30T13:20:19Z",
    "title_canon_sha256": "345824ba447c0bc3d15f59ea9c13519fa5b2c856bcebb9f45d905be510c9e830"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8141",
    "kind": "arxiv",
    "version": 1
  }
}