Pith Number

pith:XVRI6FJ3

pith:2018:XVRI6FJ3LNNHMWWZAA6WJJDRCK

not attested not anchored not stored refs pending

A regularized weighted least gradient problem for conductivity imaging

Alexander Timonov, Alexandru Tamasan

arxiv:1804.00724 v1 · 2018-04-02 · 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{XVRI6FJ3LNNHMWWZAA6WJJDRCK}

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	2026-05-17T23:50:13.845051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd628f153b5b5a765ad9003d64a47112854169960ca7701258f7eafe283a9585

Aliases

arxiv: 1804.00724 · arxiv_version: 1804.00724v1 · doi: 10.48550/arxiv.1804.00724 · pith_short_12: XVRI6FJ3LNNH · pith_short_16: XVRI6FJ3LNNHMWWZ · pith_short_8: XVRI6FJ3

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/XVRI6FJ3LNNHMWWZAA6WJJDRCK \
  | 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: bd628f153b5b5a765ad9003d64a47112854169960ca7701258f7eafe283a9585

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1492437f2bcd27b9c6f866113e625a04efd9d563e19cb1c5fe07b5a59e45473",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-04-02T20:43:50Z",
    "title_canon_sha256": "c61936d92e7a10e5b0500ac25ca7152921a6536129ca7eecb654d9b0c9c5d73f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00724",
    "kind": "arxiv",
    "version": 1
  }
}