Pith Number

pith:I6GT257A

pith:2014:I6GT257A2QGUKXRBAJOOG4KHMR

not attested not anchored not stored refs pending

Cutting convex curves

Andreas F. Holmsen, Edgardo Rold\'an-Pensado, J\'anos Kincses

arxiv:1407.4091 v4 · 2014-07-15 · 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{I6GT257A2QGUKXRBAJOOG4KHMR}

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	2026-05-18T01:18:10.324291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

478d3d77e0d40d455e21025ce371476443e3f256d21798934b8ab25d7109ff63

Aliases

arxiv: 1407.4091 · arxiv_version: 1407.4091v4 · doi: 10.48550/arxiv.1407.4091 · pith_short_12: I6GT257A2QGU · pith_short_16: I6GT257A2QGUKXRB · pith_short_8: I6GT257A

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/I6GT257A2QGUKXRBAJOOG4KHMR \
  | 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: 478d3d77e0d40d455e21025ce371476443e3f256d21798934b8ab25d7109ff63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e0679e0b92f365f1bdaea353b60c07174a24effdf377107e04d737f6d92ff31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2014-07-15T18:45:23Z",
    "title_canon_sha256": "30682bfdf283722ad23ef0882134347cb66c5626e2514efee0296dc69e8a1dba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4091",
    "kind": "arxiv",
    "version": 4
  }
}