Pith Number

pith:DZK54L23

pith:2018:DZK54L2377LVPEKZ7YSLI36M5Z

not attested not anchored not stored refs pending

On the singular set of free interface in an optimal partition problem

Onur Alper

arxiv:1805.03191 v1 · 2018-05-08 · 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{DZK54L2377LVPEKZ7YSLI36M5Z}

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	2026-05-18T00:16:24.477248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e55de2f5bffd7579159fe24b46fccee7ebed97be5c9a7b66b5996f34fa6fe58

Aliases

arxiv: 1805.03191 · arxiv_version: 1805.03191v1 · doi: 10.48550/arxiv.1805.03191 · pith_short_12: DZK54L2377LV · pith_short_16: DZK54L2377LVPEKZ · pith_short_8: DZK54L23

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/DZK54L2377LVPEKZ7YSLI36M5Z \
  | 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: 1e55de2f5bffd7579159fe24b46fccee7ebed97be5c9a7b66b5996f34fa6fe58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "faabf60b7516ea77a09a447b44c5a6fb658456b758de6ac96d6682f11d00c8ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-05-08T17:49:00Z",
    "title_canon_sha256": "1f9e785c75d635505c608c172fb587d5d43ebd54da976cac2092245248096225"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03191",
    "kind": "arxiv",
    "version": 1
  }
}