Pith Number

pith:GKNU55R3

pith:2016:GKNU55R3JWTS4FXYWZN7CP65QU

not attested not anchored not stored refs pending

SPN graphs: when copositive=SPN

Naomi Shaked-Monderer

arxiv:1604.02172 v3 · 2016-04-07 · 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{GKNU55R3JWTS4FXYWZN7CP65QU}

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	2026-05-18T00:51:57.967345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

329b4ef63b4da72e16f8b65bf13fdd8502c17d967460d26b275739931dfa860b

Aliases

arxiv: 1604.02172 · arxiv_version: 1604.02172v3 · doi: 10.48550/arxiv.1604.02172 · pith_short_12: GKNU55R3JWTS · pith_short_16: GKNU55R3JWTS4FXY · pith_short_8: GKNU55R3

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/GKNU55R3JWTS4FXYWZN7CP65QU \
  | 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: 329b4ef63b4da72e16f8b65bf13fdd8502c17d967460d26b275739931dfa860b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f9cdae5aa91100569587205ba3de85465e76244deaa39f905c38e7d884acda4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-04-07T20:48:28Z",
    "title_canon_sha256": "f84073f909aaa61990c481e201dab79e7a473135b78c8bd46ac4088c4af60298"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02172",
    "kind": "arxiv",
    "version": 3
  }
}