Pith Number

pith:2UKUDGRG

pith:2015:2UKUDGRGOHOPN4LOETPGHAHEDV

not attested not anchored not stored refs pending

An algorithm for constructing certain differential operators in positive characteristic

Alberto F. Boix, Alessandro De Stefani, Davide Vanzo

arxiv:1503.01419 v1 · 2015-03-04 · 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{2UKUDGRGOHOPN4LOETPGHAHEDV}

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	2026-05-18T00:15:47.705718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d515419a2671dcf6f16e24de6380e41d467e03e1d189ddbaf3ff926174f1048d

Aliases

arxiv: 1503.01419 · arxiv_version: 1503.01419v1 · doi: 10.48550/arxiv.1503.01419 · pith_short_12: 2UKUDGRGOHOP · pith_short_16: 2UKUDGRGOHOPN4LO · pith_short_8: 2UKUDGRG

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/2UKUDGRGOHOPN4LOETPGHAHEDV \
  | 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: d515419a2671dcf6f16e24de6380e41d467e03e1d189ddbaf3ff926174f1048d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "066d1ea1e3b90621f7d83d55f8cbca18b707d4e4cf63a1c531731c383200e720",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2015-03-04T19:01:14Z",
    "title_canon_sha256": "b7e6148201440b7e89953dcf5f7de084fc4fc3400c285809af2cab4a87f734fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01419",
    "kind": "arxiv",
    "version": 1
  }
}