Pith Number

pith:BFUKXP6N

pith:2019:BFUKXP6NTDPBCF25PHYSACJZXB

not attested not anchored not stored refs pending

Higher order Dirichlet-to-Neumann maps on graphs and their eigenvalues

Chengjie Yu, Yongjie Shi

arxiv:1904.03880 v3 · 2019-04-08 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BFUKXP6NTDPBCF25PHYSACJZXB}

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	2026-05-17T23:48:39.180039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0968abbfcd98de11175d79f1200939b86bc36b934abb43a23a663f1eee44e01a

Aliases

arxiv: 1904.03880 · arxiv_version: 1904.03880v3 · doi: 10.48550/arxiv.1904.03880 · pith_short_12: BFUKXP6NTDPB · pith_short_16: BFUKXP6NTDPBCF25 · pith_short_8: BFUKXP6N

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/BFUKXP6NTDPBCF25PHYSACJZXB \
  | 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: 0968abbfcd98de11175d79f1200939b86bc36b934abb43a23a663f1eee44e01a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a0ab08f98a7518dd23d1517bbc807dbb215670ba028102a9fe5103e18edf13e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-04-08T08:14:49Z",
    "title_canon_sha256": "0b7e953ee2d48966e60867a614ee7501ebac8ee4c6767831cb8815ebe5a63ca4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03880",
    "kind": "arxiv",
    "version": 3
  }
}