Pith Number

pith:U3VKAHMJ

pith:2015:U3VKAHMJ2YTOT3JC2DHE7T63H4

not attested not anchored not stored refs pending

Inverse boundary value problem for the Helmholtz equation: quantitative conditional Lipschitz stability estimates

Elena Beretta, Florian Faucher, Maarten V. de Hoop, Otmar Scherzer

arxiv:1510.02366 v3 · 2015-10-08 · 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{U3VKAHMJ2YTOT3JC2DHE7T63H4}

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	2026-05-17T23:44:23.266505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6eaa01d89d626e9ed22d0ce4fcfdb3f0e6ad8045ccbad826710ac509b2bad8b

Aliases

arxiv: 1510.02366 · arxiv_version: 1510.02366v3 · doi: 10.48550/arxiv.1510.02366 · pith_short_12: U3VKAHMJ2YTO · pith_short_16: U3VKAHMJ2YTOT3JC · pith_short_8: U3VKAHMJ

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/U3VKAHMJ2YTOT3JC2DHE7T63H4 \
  | 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: a6eaa01d89d626e9ed22d0ce4fcfdb3f0e6ad8045ccbad826710ac509b2bad8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7802dba155896d9dfaff256205c6e6910abba220784be476555fad14010dbaab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-10-08T15:27:21Z",
    "title_canon_sha256": "574440c188774687c1efdb38515394061d383f20866fabe610bce73968930bdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02366",
    "kind": "arxiv",
    "version": 3
  }
}