pith. sign in
Pith Number

pith:HL2B5PAM

pith:2018:HL2B5PAMC2MXVYLXEKAK5NUKF2
not attested not anchored not stored refs pending

Well-posedness of the free boundary problem in incompressible elastodynamics

Hui Li, Wei Wang, Zhifei Zhang

arxiv:1802.08819 v1 · 2018-02-24 · math.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HL2B5PAMC2MXVYLXEKAK5NUKF2}

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 2026-05-18T00:22:36.332128Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3af41ebc0c16997ae1772280aeb68a2e8452901eb7c5b2e0950fdcdf896e792a

Aliases

arxiv: 1802.08819 · arxiv_version: 1802.08819v1 · doi: 10.48550/arxiv.1802.08819 · pith_short_12: HL2B5PAMC2MX · pith_short_16: HL2B5PAMC2MXVYLX · pith_short_8: HL2B5PAM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HL2B5PAMC2MXVYLXEKAK5NUKF2 \
  | 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: 3af41ebc0c16997ae1772280aeb68a2e8452901eb7c5b2e0950fdcdf896e792a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "537cea28ff8049b1467948951800de41877a1e030308488b6d35b4d93285728a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-02-24T08:55:51Z",
    "title_canon_sha256": "02d4e3fb8e679000a9ca49045a3bfe1ad112e1e792a7f48b7ce761bad4354e6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08819",
    "kind": "arxiv",
    "version": 1
  }
}