Pith Number

pith:VMRZRCHL

pith:2018:VMRZRCHLRU4GMNUKSONTNLEPON

not attested not anchored not stored refs pending

A primal-dual interior-point relaxation method for nonlinear programs

Xin-Wei Liu, Yu-Hong Dai

arxiv:1807.02959 v1 · 2018-07-09 · 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{VMRZRCHLRU4GMNUKSONTNLEPON}

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	2026-05-18T00:11:13.230286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab239888eb8d3866368a939b36ac8f7364587d5328cc7a64649e776e29310842

Aliases

arxiv: 1807.02959 · arxiv_version: 1807.02959v1 · doi: 10.48550/arxiv.1807.02959 · pith_short_12: VMRZRCHLRU4G · pith_short_16: VMRZRCHLRU4GMNUK · pith_short_8: VMRZRCHL

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/VMRZRCHLRU4GMNUKSONTNLEPON \
  | 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: ab239888eb8d3866368a939b36ac8f7364587d5328cc7a64649e776e29310842

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3d6777ed6c4f608cecb33f1764636c394875f88f2ff9520f109aef8205b5e21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-07-09T06:41:20Z",
    "title_canon_sha256": "cde067f82b99963e62421899f11532594693932fd4ca49bb16483f9fff1b28df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02959",
    "kind": "arxiv",
    "version": 1
  }
}