Pith Number

pith:6IJVUGX4

pith:2018:6IJVUGX4F6LPN5I7GRTHMWZB3X

not attested not anchored not stored refs pending

Variance estimates for random disc-polygons in smooth convex discs

Ferenc Fodor, Viktor V\'igh

arxiv:1802.02808 v1 · 2018-02-08 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6IJVUGX4F6LPN5I7GRTHMWZB3X}

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	2026-05-17T23:41:13.321063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2135a1afc2f96f6f51f3466765b21ddd34b9fa5be4122630c6bccfa97c47f35

Aliases

arxiv: 1802.02808 · arxiv_version: 1802.02808v1 · doi: 10.48550/arxiv.1802.02808 · pith_short_12: 6IJVUGX4F6LP · pith_short_16: 6IJVUGX4F6LPN5I7 · pith_short_8: 6IJVUGX4

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/6IJVUGX4F6LPN5I7GRTHMWZB3X \
  | 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: f2135a1afc2f96f6f51f3466765b21ddd34b9fa5be4122630c6bccfa97c47f35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0441200aacd4548d9f18cf3afc74d60f2cf69b0627a0e06c1e5b23453e5bfef5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2018-02-08T11:04:02Z",
    "title_canon_sha256": "d46edc5f52fa48dd7f94d93c38a55b2452ee1048f887523e0cc23f770289f2bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02808",
    "kind": "arxiv",
    "version": 1
  }
}