Pith Number

pith:Y7QY2LGM

pith:2014:Y7QY2LGMX54EE7HMG4EXKPVVWF

not attested not anchored not stored refs pending

Properties of Pseudocontractive Updates in Convex Optimization

Patrick W. Gallagher, Zhuowen Tu

arxiv:1405.7741 v2 · 2014-05-29 · 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{Y7QY2LGMX54EE7HMG4EXKPVVWF}

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.

Cited by

1 paper in Pith

Tessellations of Semi-Discrete Flow Matching

Receipt and verification

First computed	2026-05-18T02:48:45.874936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7e18d2cccbf78427cec3709753eb5b17f4b270adc4377c73b3b5874be22a873

Aliases

arxiv: 1405.7741 · arxiv_version: 1405.7741v2 · doi: 10.48550/arxiv.1405.7741 · pith_short_12: Y7QY2LGMX54E · pith_short_16: Y7QY2LGMX54EE7HM · pith_short_8: Y7QY2LGM

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/Y7QY2LGMX54EE7HMG4EXKPVVWF \
  | 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: c7e18d2cccbf78427cec3709753eb5b17f4b270adc4377c73b3b5874be22a873

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5b30208c0d293daf04ffb072d57cdac05f5dc7116f33095860bf523011c9d7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-05-29T22:36:19Z",
    "title_canon_sha256": "922c70f00cd824f19d2e22871bb9c39465f6e11a7164b63f90f5114244c19d52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7741",
    "kind": "arxiv",
    "version": 2
  }
}