Pith Number

pith:3KZVLJY2

pith:2017:3KZVLJY2KOE2YQS5LYCN4IF55V

not attested not anchored not stored refs pending

Cauchy's residue sore thumb

Harold P. Boas

arxiv:1701.04887 v1 · 2017-01-17 · math.HO · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3KZVLJY2KOE2YQS5LYCN4IF55V}

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	2026-05-18T00:52:33.595879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dab355a71a5389ac425d5e04de20bded71b87ad3aa7fb7861e82d49961701ca8

Aliases

arxiv: 1701.04887 · arxiv_version: 1701.04887v1 · doi: 10.48550/arxiv.1701.04887 · pith_short_12: 3KZVLJY2KOE2 · pith_short_16: 3KZVLJY2KOE2YQS5 · pith_short_8: 3KZVLJY2

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/3KZVLJY2KOE2YQS5LYCN4IF55V \
  | 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: dab355a71a5389ac425d5e04de20bded71b87ad3aa7fb7861e82d49961701ca8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9462cd224c77b2d2e0f402764a606e52a0d5eb1ea020c46f39b926b697a62e77",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2017-01-17T22:16:02Z",
    "title_canon_sha256": "3434177a3b01d3934a30b83d3fa77796a5c6f9f6fdfd4912d4ba6d76f3e8df89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04887",
    "kind": "arxiv",
    "version": 1
  }
}