Pith Number

pith:3AFZV76F

pith:2011:3AFZV76FGWEMAMBB3TS2ERYYBO

not attested not anchored not stored refs pending

An Infeasible-Point Subgradient Method Using Adaptive Approximate Projections

Andreas M. Tillmann, Dirk A. Lorenz, Marc E. Pfetsch

arxiv:1104.5351 v4 · 2011-04-28 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3AFZV76FGWEMAMBB3TS2ERYYBO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:22:00.806535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d80b9affc53588c03021dce5a247180b9e6f08af4f2cd9be0a7472dfdac54adf

Aliases

arxiv: 1104.5351 · arxiv_version: 1104.5351v4 · doi: 10.48550/arxiv.1104.5351 · pith_short_12: 3AFZV76FGWEM · pith_short_16: 3AFZV76FGWEMAMBB · pith_short_8: 3AFZV76F

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/3AFZV76FGWEMAMBB3TS2ERYYBO \
  | 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: d80b9affc53588c03021dce5a247180b9e6f08af4f2cd9be0a7472dfdac54adf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea4b2ac8f0516be94b4a5ada28384623d254bd776bd52f79cbfcffaecb8d2d25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-04-28T10:37:55Z",
    "title_canon_sha256": "b921a0d471c487191d90d223dfca515c3660b5de845b6542fd4893cc44711447"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5351",
    "kind": "arxiv",
    "version": 4
  }
}