Pith Number

pith:QEOHITIK

pith:2013:QEOHITIKPYYAA5LL7UV7PWYDEN

not attested not anchored not stored refs pending

Adaptive Primal-Dual Hybrid Gradient Methods for Saddle-Point Problems

Ernie Esser, Min Li, Richard Baraniuk, Tom Goldstein, Xiaoming Yuan

arxiv:1305.0546 v2 · 2013-05-02 · math.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{QEOHITIKPYYAA5LL7UV7PWYDEN}

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	2026-05-18T02:20:37.126770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

811c744d0a7e3000756bfd2bf7db03234fb5eac5ea9a05718f49814c51e1f09e

Aliases

arxiv: 1305.0546 · arxiv_version: 1305.0546v2 · doi: 10.48550/arxiv.1305.0546 · pith_short_12: QEOHITIKPYYA · pith_short_16: QEOHITIKPYYAA5LL · pith_short_8: QEOHITIK

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/QEOHITIKPYYAA5LL7UV7PWYDEN \
  | 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: 811c744d0a7e3000756bfd2bf7db03234fb5eac5ea9a05718f49814c51e1f09e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8303f99e04f46c2e65c8f16aaf8a0fec31021105e73314e6a2c7ef5c0c00e838",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-05-02T19:26:47Z",
    "title_canon_sha256": "a105731e2c904e05238ffdfcdc4c8a774c80f2799c6d8cfd48af17bdba663286"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0546",
    "kind": "arxiv",
    "version": 2
  }
}