Pith Number

pith:KBYCFOA7

pith:2016:KBYCFOA7GUEVMDH54OWSNVJEQ4

not attested not anchored not stored refs pending

Nonconforming Immersed Finite Element Spaces For Elliptic Interface Problems

Ruchi Guo, Tao Lin, Xu Zhang

arxiv:1612.01862 v1 · 2016-12-06 · 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{KBYCFOA7GUEVMDH54OWSNVJEQ4}

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	2026-05-18T00:02:55.297801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

507022b81f3509560cfde3ad26d524872aa11de32230b457df931e298bf32334

Aliases

arxiv: 1612.01862 · arxiv_version: 1612.01862v1 · doi: 10.48550/arxiv.1612.01862 · pith_short_12: KBYCFOA7GUEV · pith_short_16: KBYCFOA7GUEVMDH5 · pith_short_8: KBYCFOA7

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/KBYCFOA7GUEVMDH54OWSNVJEQ4 \
  | 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: 507022b81f3509560cfde3ad26d524872aa11de32230b457df931e298bf32334

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1a211a938e92cd3eda7c04c91182cae391f58cc2c8f7851f716ea85e9b805a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-12-06T15:31:11Z",
    "title_canon_sha256": "e2bd175cbef9359595ca56bfb81f3a293860254396b8ad164f8f34443b6a50b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01862",
    "kind": "arxiv",
    "version": 1
  }
}