Pith Number

pith:RVRM3XD3

pith:2017:RVRM3XD3AKZQ72C6UGKZ7RMBRL

not attested not anchored not stored refs pending

New guaranteed lower bounds on eigenvalues by conforming finite elements

Ivana \v{S}ebestov\'a, Tom\'a\v{s} Vejchodsk\'y

arxiv:1705.10180 v1 · 2017-05-29 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RVRM3XD3AKZQ72C6UGKZ7RMBRL}

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	2026-05-18T00:43:31.790024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d62cddc7b02b30fe85ea1959fc5818af071b216c297316343445953d8bb6658

Aliases

arxiv: 1705.10180 · arxiv_version: 1705.10180v1 · doi: 10.48550/arxiv.1705.10180 · pith_short_12: RVRM3XD3AKZQ · pith_short_16: RVRM3XD3AKZQ72C6 · pith_short_8: RVRM3XD3

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/RVRM3XD3AKZQ72C6UGKZ7RMBRL \
  | 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: 8d62cddc7b02b30fe85ea1959fc5818af071b216c297316343445953d8bb6658

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fd7819dc1cded949e92342f515d44ce2b9853d7952176c7bdc2e61086c9cebc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-05-29T13:45:56Z",
    "title_canon_sha256": "e3fe6f87518973dd0971c895e2b9a10d4468795e74278f4c85c381a941331af0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10180",
    "kind": "arxiv",
    "version": 1
  }
}