Pith Number

pith:WN3TVJVP

pith:2016:WN3TVJVPLZPE2DZL5OSDV6LLIG

not attested not anchored not stored refs pending

Inverse Sturm-Liouville problems with fixed boundary conditions

Tigran Harutyunyan, Yuri Ashrafyan

arxiv:1608.04512 v1 · 2016-08-16 · 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{WN3TVJVPLZPE2DZL5OSDV6LLIG}

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	2026-05-18T01:08:37.019940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3773aa6af5e5e4d0f2beba43af96b4183b8cba88f5a9d437961b97e98bba1e9

Aliases

arxiv: 1608.04512 · arxiv_version: 1608.04512v1 · doi: 10.48550/arxiv.1608.04512 · pith_short_12: WN3TVJVPLZPE · pith_short_16: WN3TVJVPLZPE2DZL · pith_short_8: WN3TVJVP

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/WN3TVJVPLZPE2DZL5OSDV6LLIG \
  | 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: b3773aa6af5e5e4d0f2beba43af96b4183b8cba88f5a9d437961b97e98bba1e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7877c4879f74f0af374c8aa699bfff24d7e640e06674ab71894110e65b8c803",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2016-08-16T08:14:58Z",
    "title_canon_sha256": "8909697f131eedb6810cebfa0764f1e0d1aa114b0d86cb82f4dcabe360933c24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04512",
    "kind": "arxiv",
    "version": 1
  }
}