Pith Number

pith:5W3Q4Y4N

pith:2023:5W3Q4Y4NX7CNAT6DNTSOL5PEMX

not attested not anchored not stored refs pending

Recovering contact forms from boundary data

Gabriel Katz

arxiv:2309.14604 v7 · 2023-09-26 · math.SG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5W3Q4Y4NX7CNAT6DNTSOL5PEMX}

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	2026-06-01T01:02:11.499029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edb70e638dbfc4d04fc36ce4e5f5e465d2296148cfed93c1979b979df6a30eae

Aliases

arxiv: 2309.14604 · arxiv_version: 2309.14604v7 · doi: 10.48550/arxiv.2309.14604 · pith_short_12: 5W3Q4Y4NX7CN · pith_short_16: 5W3Q4Y4NX7CNAT6D · pith_short_8: 5W3Q4Y4N

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/5W3Q4Y4NX7CNAT6DNTSOL5PEMX \
  | 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: edb70e638dbfc4d04fc36ce4e5f5e465d2296148cfed93c1979b979df6a30eae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8ff5e30c1dd356c9ce7178601276095d1334a756b81ea6e95b5990811285aee",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2023-09-26T01:22:32Z",
    "title_canon_sha256": "62fcc099693536cb5b1fe71ac67c2e7d6a5665c63213c2526bc6de88697dc2d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.14604",
    "kind": "arxiv",
    "version": 7
  }
}