Pith Number

pith:WFZ6MH3T

pith:2011:WFZ6MH3TW22TTDPBOL5IGLL5Y5

not attested not anchored not stored refs pending

Characterizing and approximating eigenvalue sets of symmetric interval matrices

David Daney (INRIA Sophia Antipolis), Elias Tsigaridas (INRIA Sophia Antipolis), Milan Hladik

arxiv:1102.4180 v1 · 2011-02-21 · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WFZ6MH3TW22TTDPBOL5IGLL5Y5}

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	2026-05-18T04:28:18.820784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b173e61f73b6b5398de172fa832d7dc7443a7f55531e41a6315cbec7f6a58273

Aliases

arxiv: 1102.4180 · arxiv_version: 1102.4180v1 · doi: 10.48550/arxiv.1102.4180 · pith_short_12: WFZ6MH3TW22T · pith_short_16: WFZ6MH3TW22TTDPB · pith_short_8: WFZ6MH3T

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/WFZ6MH3TW22TTDPBOL5IGLL5Y5 \
  | 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: b173e61f73b6b5398de172fa832d7dc7443a7f55531e41a6315cbec7f6a58273

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ffb88a8698c2f64d403f3e39722398f46495e396c93af844fc21527d2af0fc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2011-02-21T10:17:57Z",
    "title_canon_sha256": "a2f20f9b7609d50f8119f0b50fbb17b1c198dfcb3347362f770127fdcdffb3df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4180",
    "kind": "arxiv",
    "version": 1
  }
}