Pith Number

pith:QNKRXCRI

pith:2015:QNKRXCRISPRA4MOTXA6EIAGYDF

not attested not anchored not stored refs pending

Profile expansion for the first nontrivial Steklov eigenvalue in Riemannian manifolds

Mouhamed Moustapha Fall, Tobias Weth

arxiv:1502.00594 v1 · 2015-02-02 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QNKRXCRISPRA4MOTXA6EIAGYDF}

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	2026-05-18T02:28:05.767541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83551b8a2893e20e31d3b83c4400d8197ead9d3c8b52d5127baf6210828d4f94

Aliases

arxiv: 1502.00594 · arxiv_version: 1502.00594v1 · doi: 10.48550/arxiv.1502.00594 · pith_short_12: QNKRXCRISPRA · pith_short_16: QNKRXCRISPRA4MOT · pith_short_8: QNKRXCRI

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/QNKRXCRISPRA4MOTXA6EIAGYDF \
  | 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: 83551b8a2893e20e31d3b83c4400d8197ead9d3c8b52d5127baf6210828d4f94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb8bd9e22335ff7cbbb3d85aa12bc510ce95457b112d3dac7092b8a18f83e595",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-02-02T19:50:20Z",
    "title_canon_sha256": "b6e9a3f4370ed3b3c667c661dbc68fb1783d5f20dd0d5eb35a885500786e9b2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00594",
    "kind": "arxiv",
    "version": 1
  }
}