Pith Number

pith:TUDR3S4G

pith:2011:TUDR3S4GO3LTOZ3SWYB4HB2LUV

not attested not anchored not stored refs pending

Solving second-order conic systems with variable precision

Felipe Cucker, Javier Pe\~na, Vera Roshchina

arxiv:1104.1352 v2 · 2011-04-07 · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TUDR3S4GO3LTOZ3SWYB4HB2LUV}

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	2026-05-18T03:17:12.241394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d071dcb8676d7376772b603c3874ba54aa8ac1bdea20df2a16ecff8ca2b0186

Aliases

arxiv: 1104.1352 · arxiv_version: 1104.1352v2 · doi: 10.48550/arxiv.1104.1352 · pith_short_12: TUDR3S4GO3LT · pith_short_16: TUDR3S4GO3LTOZ3S · pith_short_8: TUDR3S4G

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/TUDR3S4GO3LTOZ3SWYB4HB2LUV \
  | 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: 9d071dcb8676d7376772b603c3874ba54aa8ac1bdea20df2a16ecff8ca2b0186

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "416edd33cd9e44d4f77b1405e2ea28d78f854ee1cdfd3e9c37eca2a9f6ec58b6",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-04-07T15:15:21Z",
    "title_canon_sha256": "017e735b75ffab6fce22efbf181e029721627fe68739577a7c1b2c128459a417"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1352",
    "kind": "arxiv",
    "version": 2
  }
}