Pith Number

pith:4O7RMJU5

pith:2014:4O7RMJU575YAO3EG3XWYVGZ6JH

not attested not anchored not stored refs pending

Transversality and alternating projections for nonconvex sets

A.D. Ioffe, A.S. Lewis, D. Drusvyatskiy

arxiv:1401.7569 v2 · 2014-01-29 · 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{4O7RMJU575YAO3EG3XWYVGZ6JH}

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	2026-05-18T01:09:29.869006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3bf16269dff70076c86dded8a9b3e49f543ad2e0f7ff49335b070b4a9906bc7

Aliases

arxiv: 1401.7569 · arxiv_version: 1401.7569v2 · doi: 10.48550/arxiv.1401.7569 · pith_short_12: 4O7RMJU575YA · pith_short_16: 4O7RMJU575YAO3EG · pith_short_8: 4O7RMJU5

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/4O7RMJU575YAO3EG3XWYVGZ6JH \
  | 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: e3bf16269dff70076c86dded8a9b3e49f543ad2e0f7ff49335b070b4a9906bc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5b9fca5e5d4912afada2c7253642f4a94e6ca8e0de98956d99d4a723e24fbbf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-01-29T16:06:35Z",
    "title_canon_sha256": "177e611b983148b2b58709074acb34bba62e6047b23c5fc2afc3a4381176eefa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7569",
    "kind": "arxiv",
    "version": 2
  }
}