Pith Number

pith:XO3HHSCI

pith:2018:XO3HHSCII5T47QTIVOYEF5TYOI

not attested not anchored not stored refs pending

VADU 2018 Open Problem Session

Bui Thi Hoa, Scott Lindstrom, Vera Roshchina

arxiv:1806.01163 v1 · 2018-06-04 · 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{XO3HHSCII5T47QTIVOYEF5TYOI}

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	2026-05-18T00:14:17.266375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbb673c8484767cfc268abb042f678720e1fc37db7baeb9b9c883753ae674dc5

Aliases

arxiv: 1806.01163 · arxiv_version: 1806.01163v1 · doi: 10.48550/arxiv.1806.01163 · pith_short_12: XO3HHSCII5T4 · pith_short_16: XO3HHSCII5T47QTI · pith_short_8: XO3HHSCI

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/XO3HHSCII5T47QTIVOYEF5TYOI \
  | 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: bbb673c8484767cfc268abb042f678720e1fc37db7baeb9b9c883753ae674dc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "153d88dec6ff7857273f78dae97c0a0049e5786058e3126613d968aa945b6f86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-06-04T16:03:55Z",
    "title_canon_sha256": "a6d75488f7643869a8684b28174716c1c7d7eaca48eb3608c70fe38db0606e61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01163",
    "kind": "arxiv",
    "version": 1
  }
}