Pith Number

pith:5VHPHG75

pith:2016:5VHPHG75B4LVQELE2DTSM6IQPJ

not attested not anchored not stored refs pending

How to project onto extended second order cones

O. P. Ferreira, S. Z. N\'emeth

arxiv:1610.08887 v4 · 2016-10-27 · 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{5VHPHG75B4LVQELE2DTSM6IQPJ}

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	2026-05-18T00:25:34.784663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed4ef39bfd0f17581164d0e72679107a52440c52507e9c60caa796ba86b08499

Aliases

arxiv: 1610.08887 · arxiv_version: 1610.08887v4 · doi: 10.48550/arxiv.1610.08887 · pith_short_12: 5VHPHG75B4LV · pith_short_16: 5VHPHG75B4LVQELE · pith_short_8: 5VHPHG75

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/5VHPHG75B4LVQELE2DTSM6IQPJ \
  | 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: ed4ef39bfd0f17581164d0e72679107a52440c52507e9c60caa796ba86b08499

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a2f0f41fe11cff82ec0e8424b2020cec8528ade25961a5c54e17092b87db7e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-10-27T17:12:56Z",
    "title_canon_sha256": "42f157f39c717dd69f66798c43e6f42e78651cc68807664b91eeb3647e0b6787"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08887",
    "kind": "arxiv",
    "version": 4
  }
}