Pith Number

pith:JHDJTGPV

pith:2019:JHDJTGPV6V6SJH2PUBABFJEBLA

not attested not anchored not stored refs pending

Comments on J. F. Ritt's book "Integration in Finite Terms"

Askold Khovanskii

arxiv:1908.02048 v1 · 2019-08-06 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JHDJTGPV6V6SJH2PUBABFJEBLA}

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	2026-07-04T23:51:50.292511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49c69999f5f57d249f4fa04012a4815801d600f0a9d045182ed8ff14c2d747ac

Aliases

arxiv: 1908.02048 · arxiv_version: 1908.02048v1 · doi: 10.48550/arxiv.1908.02048 · pith_short_12: JHDJTGPV6V6S · pith_short_16: JHDJTGPV6V6SJH2P · pith_short_8: JHDJTGPV

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/JHDJTGPV6V6SJH2PUBABFJEBLA \
  | 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: 49c69999f5f57d249f4fa04012a4815801d600f0a9d045182ed8ff14c2d747ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5298274ffc5e02ac7779be300f7d217a4b7b476456a570b35d38c9963c37813f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-08-06T10:12:02Z",
    "title_canon_sha256": "f54f987201435faee666926483e2a7eb6cb3bbcb83d2afcbde25ff205daa0eeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02048",
    "kind": "arxiv",
    "version": 1
  }
}