Pith Number

pith:JHPLDXME

pith:2018:JHPLDXMEXL2NKOMYYQJDZL27BF

not attested not anchored not stored refs pending

A characterization of nonnegativity relative to proper cones

Chandrashekaran Arumugasamy, Sachindranath Jayaraman, Vatsalkumar N. Mer

arxiv:1801.09849 v7 · 2018-01-30 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JHPLDXMEXL2NKOMYYQJDZL27BF}

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	2026-05-17T23:45:46.945035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49deb1dd84baf4d53998c4123caf5f09616ee04628c5ac039d8da0cdb0ef835e

Aliases

arxiv: 1801.09849 · arxiv_version: 1801.09849v7 · doi: 10.48550/arxiv.1801.09849 · pith_short_12: JHPLDXMEXL2N · pith_short_16: JHPLDXMEXL2NKOMY · pith_short_8: JHPLDXME

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/JHPLDXMEXL2NKOMYYQJDZL27BF \
  | 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: 49deb1dd84baf4d53998c4123caf5f09616ee04628c5ac039d8da0cdb0ef835e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e254b73c31e124ce4175205905710b1932d59c491d2570d078e6555dd7469955",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-01-30T04:34:46Z",
    "title_canon_sha256": "72e48b9d9c896d6f322a7a154b0042edb7112207b6d39af8d5c0521b46b3e81c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09849",
    "kind": "arxiv",
    "version": 7
  }
}