Pith Number

pith:INU2MN5I

pith:2015:INU2MN5IC43DUWCVQO42WWRTWZ

not attested not anchored not stored refs pending

Filling of closed Surfaces

Bidyut Sanki

arxiv:1503.04559 v3 · 2015-03-16 · 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{INU2MN5IC43DUWCVQO42WWRTWZ}

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	2026-05-18T00:34:39.588447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4369a637a817363a585583b9ab5a33b664ca994f1cc0c501f5cfce028ffe452d

Aliases

arxiv: 1503.04559 · arxiv_version: 1503.04559v3 · doi: 10.48550/arxiv.1503.04559 · pith_short_12: INU2MN5IC43D · pith_short_16: INU2MN5IC43DUWCV · pith_short_8: INU2MN5I

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/INU2MN5IC43DUWCVQO42WWRTWZ \
  | 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: 4369a637a817363a585583b9ab5a33b664ca994f1cc0c501f5cfce028ffe452d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69f0395e19e4d66d253066530e445687ab401b2661371b866ac39afc880f3227",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-03-16T08:14:33Z",
    "title_canon_sha256": "1a430cc8cd7f11cb1c90cc622b4d2134fe6c4b4618aa988934da6170814af6f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04559",
    "kind": "arxiv",
    "version": 3
  }
}