Pith Number

pith:P73LEF4A

pith:2016:P73LEF4AITCDEOSNW2CQZJ2RUX

not attested not anchored not stored refs pending

Gradient recovery for elliptic interface problem: II. immersed finite element methods

Hailong Guo, Xu Yang

arxiv:1608.00063 v2 · 2016-07-30 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P73LEF4AITCDEOSNW2CQZJ2RUX}

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	2026-05-18T00:45:48.830445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ff6b2178044c4323a4db6850ca751a5c8b97db144e97821e25ab5fcea2ab171

Aliases

arxiv: 1608.00063 · arxiv_version: 1608.00063v2 · doi: 10.48550/arxiv.1608.00063 · pith_short_12: P73LEF4AITCD · pith_short_16: P73LEF4AITCDEOSN · pith_short_8: P73LEF4A

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/P73LEF4AITCDEOSNW2CQZJ2RUX \
  | 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: 7ff6b2178044c4323a4db6850ca751a5c8b97db144e97821e25ab5fcea2ab171

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9102984e708f699b7f94dafde845262f6f5efb62c030344c40cd40897aab1e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-07-30T02:15:26Z",
    "title_canon_sha256": "8f0f6b8950ccce02fcfc88fe443db2c8beebf01b2f35efa08006286f62705639"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.00063",
    "kind": "arxiv",
    "version": 2
  }
}