Pith Number

pith:ZT5RO6ZH

pith:2018:ZT5RO6ZHXRNBCJHBIKH323KMBD

not attested not anchored not stored refs pending

Hyperbolic free boundary problems and applications to wave-structure interactions

David Lannes (IMB), Tatsuo Iguchi (KEIO UNIVERSITY)

arxiv:1806.07704 v1 · 2018-06-20 · 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{ZT5RO6ZHXRNBCJHBIKH323KMBD}

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	2026-05-18T00:12:46.926153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccfb177b27bc5a1124e1428fbd6d4c08d61aa5746e06faa47b4fc1c3cbbf5aa0

Aliases

arxiv: 1806.07704 · arxiv_version: 1806.07704v1 · doi: 10.48550/arxiv.1806.07704 · pith_short_12: ZT5RO6ZHXRNB · pith_short_16: ZT5RO6ZHXRNBCJHB · pith_short_8: ZT5RO6ZH

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/ZT5RO6ZHXRNBCJHBIKH323KMBD \
  | 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: ccfb177b27bc5a1124e1428fbd6d4c08d61aa5746e06faa47b4fc1c3cbbf5aa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b387c9b1a6ff157d1ec985b9d226b7528204587113db940ff01b11c830ae771f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-06-20T13:06:33Z",
    "title_canon_sha256": "87cd02aa102e5f19e331130862cc198ee94dd7e4d407a5306b84c082b6e16a46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07704",
    "kind": "arxiv",
    "version": 1
  }
}