Pith Number

pith:WI5EEI5D

pith:2018:WI5EEI5DKSAHAUSDUF3MOGSPOA

not attested not anchored not stored refs pending

The equality of generalized matrix functions on the set of all symmetric matrices

Kijti Rodtes, Ratsiri Sanguanwong

arxiv:1808.10338 v1 · 2018-08-30 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WI5EEI5DKSAHAUSDUF3MOGSPOA}

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	2026-05-18T00:06:49.109790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b23a4223a35480705243a176c71a4f70012e4a2639cb912ec8c675e47b2a1b4e

Aliases

arxiv: 1808.10338 · arxiv_version: 1808.10338v1 · doi: 10.48550/arxiv.1808.10338 · pith_short_12: WI5EEI5DKSAH · pith_short_16: WI5EEI5DKSAHAUSD · pith_short_8: WI5EEI5D

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/WI5EEI5DKSAHAUSDUF3MOGSPOA \
  | 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: b23a4223a35480705243a176c71a4f70012e4a2639cb912ec8c675e47b2a1b4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a6703960f25f3f0706beed03d28100fde236a5e8c17eef7f00d53bf21839f21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-08-30T15:03:50Z",
    "title_canon_sha256": "7c902ab4a1fdb5d40513472f37e7cf47cf89a2923e61bc0e1535940dc0e39741"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10338",
    "kind": "arxiv",
    "version": 1
  }
}