Pith Number

pith:RNXD5TF6

pith:2013:RNXD5TF6QY2YUG6VKNOCEXCE6E

not attested not anchored not stored refs pending

The Dirichlet-to-Neumann operator via hidden compactness

A.F.M. ter Elst, J.B. Kennedy, M. Sauter, W. Arendt

arxiv:1305.0720 v1 · 2013-05-03 · 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{RNXD5TF6QY2YUG6VKNOCEXCE6E}

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	2026-05-18T02:17:34.043440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b6e3eccbe86358a1bd5535c225c44f10cb266abfd74bd5c8710b138928d3dd6

Aliases

arxiv: 1305.0720 · arxiv_version: 1305.0720v1 · doi: 10.48550/arxiv.1305.0720 · pith_short_12: RNXD5TF6QY2Y · pith_short_16: RNXD5TF6QY2YUG6V · pith_short_8: RNXD5TF6

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/RNXD5TF6QY2YUG6VKNOCEXCE6E \
  | 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: 8b6e3eccbe86358a1bd5535c225c44f10cb266abfd74bd5c8710b138928d3dd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee31e64dd0e13033d66a59c5b8a45ed696757399ab1408bc98f6f8f989cfd183",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-05-03T14:25:19Z",
    "title_canon_sha256": "8693b5bd666ef823422d696c9a50a3fedd77891e69b6965fcbfbaec29643aa74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0720",
    "kind": "arxiv",
    "version": 1
  }
}