Pith Number

pith:Q2325X6G

pith:2025:Q2325X6GA7CU5UR2Q5VFNIUYLZ

not attested not anchored not stored refs pending

1-D Schr\"odinger operator on a star graph with nondefinite weight function

Carsten Trunk, Edison Leguizam\'on, Mitsuru Wilson, Monika Winklmeier

arxiv:2505.22901 v2 · 2025-05-28 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q2325X6GA7CU5UR2Q5VFNIUYLZ}

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	2026-07-05T11:41:42.341094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86b7aedfc607c54ed23a876a56a2985e6d6e4503855ccca8c989339ef193f304

Aliases

arxiv: 2505.22901 · arxiv_version: 2505.22901v2 · doi: 10.48550/arxiv.2505.22901 · pith_short_12: Q2325X6GA7CU · pith_short_16: Q2325X6GA7CU5UR2 · pith_short_8: Q2325X6G

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/Q2325X6GA7CU5UR2Q5VFNIUYLZ \
  | 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: 86b7aedfc607c54ed23a876a56a2985e6d6e4503855ccca8c989339ef193f304

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7b5c17794df82cbab22418d2f105ccecbf724d380ca841e14408ecc566927fd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2025-05-28T22:05:00Z",
    "title_canon_sha256": "79e2c4bc37e5bd343c32f51ba3decf61e58513c8f409fcaa9b8f7b4f3b20bfb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.22901",
    "kind": "arxiv",
    "version": 2
  }
}