Pith Number

pith:5GYCWQMT

pith:2013:5GYCWQMTMOQDCXROIECSXZCMJQ

not attested not anchored not stored refs pending

A New Variable Step-size Zero-point Attracting Projection Algorithm

Jianming Liu, Steven L Grant

arxiv:1312.2612 v1 · 2013-12-09 · cs.OH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5GYCWQMTMOQDCXROIECSXZCMJQ}

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	2026-05-18T03:05:09.439262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9b02b419363a0315e2e41052be44c4c2a3f30e1ebbcad6f8db7999420d69d90

Aliases

arxiv: 1312.2612 · arxiv_version: 1312.2612v1 · doi: 10.48550/arxiv.1312.2612 · pith_short_12: 5GYCWQMTMOQD · pith_short_16: 5GYCWQMTMOQDCXRO · pith_short_8: 5GYCWQMT

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/5GYCWQMTMOQDCXROIECSXZCMJQ \
  | 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: e9b02b419363a0315e2e41052be44c4c2a3f30e1ebbcad6f8db7999420d69d90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe2a3e3e9a7469fd0ca164ccd5efa89577c1cb215db7533198c6f3a90abd13c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2013-12-09T21:56:07Z",
    "title_canon_sha256": "89c3e2b7ed52dceecd225bcc0b493dd8b495f704bd9440fe5d9b09694c862616"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2612",
    "kind": "arxiv",
    "version": 1
  }
}