Pith Number

pith:7LN4NBW4

pith:2025:7LN4NBW4BEZ4LEVAMNJTHDANW6

not attested not anchored not stored refs pending

Direct Algorithms for Reconstructing Small Conductivity Inclusions in Subdiffusion

Bangti Jin, Jiho Hong, Zhizhang Wu

arxiv:2505.22245 v1 · 2025-05-28 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LN4NBW4BEZ4LEVAMNJTHDANW6}

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	2026-07-05T11:11:11.883506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fadbc686dc0933c592a06353338c0db78957b72f3741ca7527f701e01db23cc9

Aliases

arxiv: 2505.22245 · arxiv_version: 2505.22245v1 · doi: 10.48550/arxiv.2505.22245 · pith_short_12: 7LN4NBW4BEZ4 · pith_short_16: 7LN4NBW4BEZ4LEVA · pith_short_8: 7LN4NBW4

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/7LN4NBW4BEZ4LEVAMNJTHDANW6 \
  | 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: fadbc686dc0933c592a06353338c0db78957b72f3741ca7527f701e01db23cc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c650a5ec015acd017e5fd28edbf55bbb1a8fc122bbeffe2ab08b610f391f1cc7",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-05-28T11:27:48Z",
    "title_canon_sha256": "426f21b305572f3274084ec7b2964f9587ef78d1c7ef085cda00dcbabd3b1278"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.22245",
    "kind": "arxiv",
    "version": 1
  }
}