Pith Number

pith:RA3RZGLN

pith:2011:RA3RZGLN3BJVTT5KI4JTX4FHU3

not attested not anchored not stored refs pending

Linear differential equations and Hurwitz series

V. Ravi Srinivasan, William F. Keigher

arxiv:1103.0170 v1 · 2011-03-01 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RA3RZGLN3BJVTT5KI4JTX4FHU3}

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	2026-05-18T04:27:37.207648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88371c996dd85359cfaa47133bf0a7a6f74377fae1374490c21c3e1d88dbe83a

Aliases

arxiv: 1103.0170 · arxiv_version: 1103.0170v1 · doi: 10.48550/arxiv.1103.0170 · pith_short_12: RA3RZGLN3BJV · pith_short_16: RA3RZGLN3BJVTT5K · pith_short_8: RA3RZGLN

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/RA3RZGLN3BJVTT5KI4JTX4FHU3 \
  | 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: 88371c996dd85359cfaa47133bf0a7a6f74377fae1374490c21c3e1d88dbe83a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37ccd27651544627717906da7ed4dcb90b16f560062693a2fdcb63208209e04c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2011-03-01T14:03:34Z",
    "title_canon_sha256": "35461a3e0f1f871f9dcca58eb3c068bfb9dcc7440896d820c17fd313cd86e7e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0170",
    "kind": "arxiv",
    "version": 1
  }
}