Pith Number

pith:Z2IPUFBF

pith:2015:Z2IPUFBF2N5V22ACVQCF3YD6JT

not attested not anchored not stored refs pending

Inertia of Loewner Matrices

Rajendra Bhatia, Shmuel Friedland, Tanvi Jain

arxiv:1501.01505 v1 · 2015-01-07 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z2IPUFBF2N5V22ACVQCF3YD6JT}

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	2026-05-18T02:29:53.948348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce90fa1425d37b5d6802ac045de07e4cd504f7c5a8830cb51be7190aa1685761

Aliases

arxiv: 1501.01505 · arxiv_version: 1501.01505v1 · doi: 10.48550/arxiv.1501.01505 · pith_short_12: Z2IPUFBF2N5V · pith_short_16: Z2IPUFBF2N5V22AC · pith_short_8: Z2IPUFBF

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/Z2IPUFBF2N5V22ACVQCF3YD6JT \
  | 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: ce90fa1425d37b5d6802ac045de07e4cd504f7c5a8830cb51be7190aa1685761

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b3c841f9bdc6d7d0db3fe20604e785ec3e732480b3f075e9021579f16356dcf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-01-07T14:37:00Z",
    "title_canon_sha256": "eda1a1b85dcaeb5b0126dec10128df339d3a7cca76fc51fb6d545dd585b91afb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01505",
    "kind": "arxiv",
    "version": 1
  }
}