Pith Number

pith:DWOTI6BW

pith:2011:DWOTI6BWFV6QW6KHZK7OVN2377

not attested not anchored not stored refs pending

Existence of $\partial$-parameterized Picard-Vessiot extensions over fields with algebraically closed constants

Michael Wibmer

arxiv:1104.3514 v1 · 2011-04-18 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DWOTI6BWFV6QW6KHZK7OVN2377}

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	2026-05-18T04:24:04.583581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d9d3478362d7d0b7947cabeeab75bffd62f487de0fd070b338799249f23613b

Aliases

arxiv: 1104.3514 · arxiv_version: 1104.3514v1 · doi: 10.48550/arxiv.1104.3514 · pith_short_12: DWOTI6BWFV6Q · pith_short_16: DWOTI6BWFV6QW6KH · pith_short_8: DWOTI6BW

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/DWOTI6BWFV6QW6KHZK7OVN2377 \
  | 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: 1d9d3478362d7d0b7947cabeeab75bffd62f487de0fd070b338799249f23613b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0d8400385fc33eea80b8af672de2d4526032545c08a2d8d65181aaaa23d6462",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2011-04-18T15:20:12Z",
    "title_canon_sha256": "b17dc8e97bbcbd38070ec7f019f0d3eaea1cd3a50dd9c1efc945f822d1036bd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3514",
    "kind": "arxiv",
    "version": 1
  }
}