Pith Number

pith:MJ7DGGPP

pith:2026:MJ7DGGPPPMLGYMRLXUG73ORXF7

not attested not anchored not stored refs pending

Simultaneous recovery of multiple parameters in nonlocal diffusion equations from internal measurements

Kai Yu, Yikan Liu, Zhiyuan Li

arxiv:2606.08699 v1 · 2026-06-07 · math.NA · cs.NA · 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{MJ7DGGPPPMLGYMRLXUG73ORXF7}

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	2026-06-09T01:05:47.780197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

627e3319ef7b166c322bbd0dfdba372fef777e8f53e6db6ca529ed79f1fcc866

Aliases

arxiv: 2606.08699 · arxiv_version: 2606.08699v1 · doi: 10.48550/arxiv.2606.08699 · pith_short_12: MJ7DGGPPPMLG · pith_short_16: MJ7DGGPPPMLGYMRL · pith_short_8: MJ7DGGPP

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/MJ7DGGPPPMLGYMRLXUG73ORXF7 \
  | 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: 627e3319ef7b166c322bbd0dfdba372fef777e8f53e6db6ca529ed79f1fcc866

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3fe685c4acd0e8d691ed56d78bb3c77948d458d919a25a6e1f5a7d2fe5442ab",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-07T15:53:40Z",
    "title_canon_sha256": "c351a77e3a6bf2077feaeae736970c0cfb44e25adad63b5666e13cf70dbef1ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.08699",
    "kind": "arxiv",
    "version": 1
  }
}