Pith Number

pith:IJP7KDFP

pith:2011:IJP7KDFPDQUTI2FN44I6JJBHHR

not attested not anchored not stored refs pending

Modeling complex points up to isotopy

Marko Slapar

arxiv:1111.4590 v1 · 2011-11-19 · 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{IJP7KDFPDQUTI2FN44I6JJBHHR}

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	2026-05-18T02:26:39.647034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

425ff50caf1c293468ade711e4a4273c7e9d331b5d9d24ed65ba3902f8f530ee

Aliases

arxiv: 1111.4590 · arxiv_version: 1111.4590v1 · doi: 10.48550/arxiv.1111.4590 · pith_short_12: IJP7KDFPDQUT · pith_short_16: IJP7KDFPDQUTI2FN · pith_short_8: IJP7KDFP

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/IJP7KDFPDQUTI2FN44I6JJBHHR \
  | 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: 425ff50caf1c293468ade711e4a4273c7e9d331b5d9d24ed65ba3902f8f530ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eadbbbd68e9063027896276dcc2d7cbb02a1accc0ca0da0243b5cab99952c75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2011-11-19T22:28:55Z",
    "title_canon_sha256": "99323645a8bd727fc212d708e3dde09d4c76a5edfff0143725b68ae3e44d3499"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4590",
    "kind": "arxiv",
    "version": 1
  }
}