Pith Number

pith:Q7B3OPE3

pith:2025:Q7B3OPE3DF3ZET76OL52TNXM6Q

not attested not anchored not stored refs pending

Efficient and Robust Carath\'{e}odory-Steinitz Pruning of Positive Discrete Measures

Akil Narayan, Filip B\v{e}l\'ik, Jesse Chan

arxiv:2510.14916 v2 · 2025-10-16 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q7B3OPE3DF3ZET76OL52TNXM6Q}

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	2026-07-01T00:17:09.110781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87c3b73c9b1977924ffe72fba9b6ecf40720167531a8adffb7433b46a833e446

Aliases

arxiv: 2510.14916 · arxiv_version: 2510.14916v2 · doi: 10.48550/arxiv.2510.14916 · pith_short_12: Q7B3OPE3DF3Z · pith_short_16: Q7B3OPE3DF3ZET76 · pith_short_8: Q7B3OPE3

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/Q7B3OPE3DF3ZET76OL52TNXM6Q \
  | 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: 87c3b73c9b1977924ffe72fba9b6ecf40720167531a8adffb7433b46a833e446

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76da20531fbf8947d17e5f2f662958fa6bf6bb5e2ef44c2ab6596d93c81896fd",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-10-16T17:30:31Z",
    "title_canon_sha256": "b98178c72b277a18a50a53f6af96d98e9e4a55df0c6717f7fc69ac95cd4c9fe1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.14916",
    "kind": "arxiv",
    "version": 2
  }
}