Pith Number

pith:HXNSZ5LR

pith:2013:HXNSZ5LRYHF6F4HKSFXZMXHFF4

not attested not anchored not stored refs pending

On monotonicity-preserving perturbations of $M$-matrices

Felix Goldberg

arxiv:1308.0844 v1 · 2013-08-04 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HXNSZ5LRYHF6F4HKSFXZMXHFF4}

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	2026-05-18T03:16:48.010881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ddb2cf571c1cbe2f0ea916f965ce52f31ec21313a36f85c031c76f130644501

Aliases

arxiv: 1308.0844 · arxiv_version: 1308.0844v1 · doi: 10.48550/arxiv.1308.0844 · pith_short_12: HXNSZ5LRYHF6 · pith_short_16: HXNSZ5LRYHF6F4HK · pith_short_8: HXNSZ5LR

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/HXNSZ5LRYHF6F4HKSFXZMXHFF4 \
  | 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: 3ddb2cf571c1cbe2f0ea916f965ce52f31ec21313a36f85c031c76f130644501

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6214bd52d6762618e2ee1eac9cb03965bcc2751dcaf878b38077be8bd965fd8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-08-04T19:41:17Z",
    "title_canon_sha256": "6ec19337408236c5e5d654da50ddd6ef82f229eee65410cb4e4c2c582987dea6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0844",
    "kind": "arxiv",
    "version": 1
  }
}