Pith Number

pith:D2CN27DK

pith:2017:D2CN27DKDOB2FA6J6G4O3DUSX2

not attested not anchored not stored refs pending

On hyperbolic cobweb manifolds

Emil Moln\'ar, Jen\H{o} Szirmai

arxiv:1701.06757 v2 · 2017-01-24 · math.MG · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2CN27DKDOB2FA6J6G4O3DUSX2}

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	2026-05-18T00:48:25.845942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e84dd7c6a1b83a283c9f1b8ed8e92beb6e41c6ba32b99c9e846cd4122fa5411

Aliases

arxiv: 1701.06757 · arxiv_version: 1701.06757v2 · doi: 10.48550/arxiv.1701.06757 · pith_short_12: D2CN27DKDOB2 · pith_short_16: D2CN27DKDOB2FA6J · pith_short_8: D2CN27DK

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/D2CN27DKDOB2FA6J6G4O3DUSX2 \
  | 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: 1e84dd7c6a1b83a283c9f1b8ed8e92beb6e41c6ba32b99c9e846cd4122fa5411

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7351bbfb354284fc01dbce1902fb0da4ddcfb53fbedc948f64fbf8b61dba980e",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2017-01-24T07:46:17Z",
    "title_canon_sha256": "0a848f7679329ef723dc95285c9ce008d71c6f9ef1aac14959491b0ca4676200"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06757",
    "kind": "arxiv",
    "version": 2
  }
}