Pith Number

pith:XVJMS5TT

pith:2023:XVJMS5TTT5CBYNZCELQ3OSCZLQ

not attested not anchored not stored refs pending

On determining and breaking the gauge class in inverse problems for reaction-diffusion equations

Tony Liimatainen, Yavar Kian, Yi-Hsuan Lin

arxiv:2303.16115 v1 · 2023-03-28 · 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{XVJMS5TTT5CBYNZCELQ3OSCZLQ}

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	2026-07-05T05:55:32.110773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd52c976739f441c372222e1b748595c2ad5d3f0eb375750fb217cff8be36b36

Aliases

arxiv: 2303.16115 · arxiv_version: 2303.16115v1 · doi: 10.48550/arxiv.2303.16115 · pith_short_12: XVJMS5TTT5CB · pith_short_16: XVJMS5TTT5CBYNZC · pith_short_8: XVJMS5TT

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/XVJMS5TTT5CBYNZCELQ3OSCZLQ \
  | 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: bd52c976739f441c372222e1b748595c2ad5d3f0eb375750fb217cff8be36b36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee098871da8c1617c65fd84aaa1374db1801a9b02155e026bb5f048e2978b6c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2023-03-28T16:34:38Z",
    "title_canon_sha256": "402a345d289ae915991e1f2589eff013869a28db04b501525f7f117be3ac4f0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.16115",
    "kind": "arxiv",
    "version": 1
  }
}