Pith Number

pith:3ZSXVKSE

pith:2016:3ZSXVKSEN2HQTZFJUO5424D2FO

not attested not anchored not stored refs pending

A Group of Immersed Finite Element Spaces For Elliptic Interface Problems

Ruchi Guo, Tao Lin

arxiv:1612.00919 v2 · 2016-12-03 · 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{3ZSXVKSEN2HQTZFJUO5424D2FO}

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	2026-05-18T00:16:23.965971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de657aaa446e8f09e4a9a3bbcd707a2b8aeb5decf91309cad892ff8e2982e29e

Aliases

arxiv: 1612.00919 · arxiv_version: 1612.00919v2 · doi: 10.48550/arxiv.1612.00919 · pith_short_12: 3ZSXVKSEN2HQ · pith_short_16: 3ZSXVKSEN2HQTZFJ · pith_short_8: 3ZSXVKSE

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/3ZSXVKSEN2HQTZFJUO5424D2FO \
  | 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: de657aaa446e8f09e4a9a3bbcd707a2b8aeb5decf91309cad892ff8e2982e29e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "239f94a8892b70ab745d3a14eb4db08c0f2859f8677fb35fae1137e47aaa1df9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-12-03T03:34:17Z",
    "title_canon_sha256": "d9cd91d6b59d8e5c12b3afc3858701f7c9b21d7d5bbe579a0496780b9d540d0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00919",
    "kind": "arxiv",
    "version": 2
  }
}