Pith Number

pith:NDBISI5J

pith:2018:NDBISI5JSGVEVI7KN7JS6H7U5N

not attested not anchored not stored refs pending

Local weak solvability of a moving boundary problem describing swelling along a halfline

Adrian Muntean, Kota Kumazaki

arxiv:1804.11053 v1 · 2018-04-30 · 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{NDBISI5JSGVEVI7KN7JS6H7U5N}

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	2026-05-18T00:17:14.776169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68c28923a991aa4aa3ea6fd32f1ff4eb5f147c5e3f526654a11078aaa516e22e

Aliases

arxiv: 1804.11053 · arxiv_version: 1804.11053v1 · doi: 10.48550/arxiv.1804.11053 · pith_short_12: NDBISI5JSGVE · pith_short_16: NDBISI5JSGVEVI7K · pith_short_8: NDBISI5J

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/NDBISI5JSGVEVI7KN7JS6H7U5N \
  | 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: 68c28923a991aa4aa3ea6fd32f1ff4eb5f147c5e3f526654a11078aaa516e22e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebca5ea28ddbdd15eb00315bec4d29cc9f2d93accf434e71060d200c9417bfb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-04-30T05:55:11Z",
    "title_canon_sha256": "a85279cd466cfd73a8d08b9c0f95534021ff51fe2ff9efd0ff7bc0442cc886d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11053",
    "kind": "arxiv",
    "version": 1
  }
}