Pith Number

pith:J5F4CP3P

pith:2018:J5F4CP3P67VK4PH37AQ5HUJC6T

not attested not anchored not stored refs pending

Inverse Sturm-Liouville problems with summable potential

Tigran Harutyunyan, Yuri Ashrafyan

arxiv:1803.03011 v1 · 2018-03-08 · math.SP · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J5F4CP3P67VK4PH37AQ5HUJC6T}

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	2026-05-18T00:21:44.702050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f4bc13f6ff7eaae3cfbf821d3d122f4cf42ed7f3130b7d1466417b0c88b8f4c

Aliases

arxiv: 1803.03011 · arxiv_version: 1803.03011v1 · doi: 10.48550/arxiv.1803.03011 · pith_short_12: J5F4CP3P67VK · pith_short_16: J5F4CP3P67VK4PH3 · pith_short_8: J5F4CP3P

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/J5F4CP3P67VK4PH37AQ5HUJC6T \
  | 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: 4f4bc13f6ff7eaae3cfbf821d3d122f4cf42ed7f3130b7d1466417b0c88b8f4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff0883caf0cda229f0cc685e66300952428b7b1992e4fd3885ee50b372deced3",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2018-03-08T09:10:50Z",
    "title_canon_sha256": "801231d28b9ee1f45734ea50c2dd9663da32747782552994206bd582333b7ba6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03011",
    "kind": "arxiv",
    "version": 1
  }
}