Pith Number

pith:M3OFWI54

pith:2015:M3OFWI54YRM3OI7HYIEBKEVZBB

not attested not anchored not stored refs pending

Partially Penalized Immersed Finite Element Methods for Parabolic Interface Problems

Qing Yang, Tao Lin, Xu Zhang

arxiv:1501.06646 v1 · 2015-01-27 · 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{M3OFWI54YRM3OI7HYIEBKEVZBB}

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	2026-05-18T01:00:46.323479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66dc5b23bcc459b723e7c2081512b9085a72790e3cb74cd8233a7727d7bc3718

Aliases

arxiv: 1501.06646 · arxiv_version: 1501.06646v1 · doi: 10.48550/arxiv.1501.06646 · pith_short_12: M3OFWI54YRM3 · pith_short_16: M3OFWI54YRM3OI7H · pith_short_8: M3OFWI54

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/M3OFWI54YRM3OI7HYIEBKEVZBB \
  | 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: 66dc5b23bcc459b723e7c2081512b9085a72790e3cb74cd8233a7727d7bc3718

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd017201b6429c923fcacfd618c12923c669c7a1df79e7493100f65376747bc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-01-27T03:22:00Z",
    "title_canon_sha256": "3d27efe85d666e5f0b48675a3e563c8a942053d63d79cfdd525cf4f26091ab18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06646",
    "kind": "arxiv",
    "version": 1
  }
}