Pith Number

pith:ZGENPX77

pith:2017:ZGENPX77TRQXMS6O7IONRIKXFO

not attested not anchored not stored refs pending

Weyl and Marchaud derivatives: a forgotten history

Fausto Ferrari

arxiv:1711.08070 v2 · 2017-11-21 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZGENPX77TRQXMS6O7IONRIKXFO}

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	2026-05-18T00:24:02.597454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c988d7dfff9c61764bcefa1cd8a1572b95d5d47fa08493fdeb432089d12f7a6f

Aliases

arxiv: 1711.08070 · arxiv_version: 1711.08070v2 · doi: 10.48550/arxiv.1711.08070 · pith_short_12: ZGENPX77TRQX · pith_short_16: ZGENPX77TRQXMS6O · pith_short_8: ZGENPX77

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/ZGENPX77TRQXMS6O7IONRIKXFO \
  | 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: c988d7dfff9c61764bcefa1cd8a1572b95d5d47fa08493fdeb432089d12f7a6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "780f11fe47abb87c65a41bf70ef8cd96e1093eff76cee147bc2625a683183853",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-11-21T22:19:30Z",
    "title_canon_sha256": "9278ece86c785d3bf0ea9bd6cce1c62bbb59e9e26488532f72c1640c64b7796a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08070",
    "kind": "arxiv",
    "version": 2
  }
}