Pith Number

pith:Z7HWPXCG

pith:2017:Z7HWPXCGQ72JAIVY6K7KS3ORYF

not attested not anchored not stored refs pending

Complexity Analysis of a Trust Funnel Algorithm for Equality Constrained Optimization

Daniel P. Robinson, Frank E. Curtis, Mohammadreza Samadi

arxiv:1707.00337 v1 · 2017-07-02 · math.NA · cs.CC · cs.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{Z7HWPXCGQ72JAIVY6K7KS3ORYF}

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	2026-05-18T00:41:03.685415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfcf67dc4687f49022b8f2bea96dd1c149c5d44c7ef673f52bc66837c6a51e16

Aliases

arxiv: 1707.00337 · arxiv_version: 1707.00337v1 · doi: 10.48550/arxiv.1707.00337 · pith_short_12: Z7HWPXCGQ72J · pith_short_16: Z7HWPXCGQ72JAIVY · pith_short_8: Z7HWPXCG

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/Z7HWPXCGQ72JAIVY6K7KS3ORYF \
  | 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: cfcf67dc4687f49022b8f2bea96dd1c149c5d44c7ef673f52bc66837c6a51e16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b836f3b90839471b048c2591cbbb46eace600ec341b96818510c3744d376789",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-07-02T19:25:38Z",
    "title_canon_sha256": "14d761b17c964a6cd07dc61c367d64aa23b3d4d66fd501228d55b107aa26578b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00337",
    "kind": "arxiv",
    "version": 1
  }
}